HomeCummins/OnanCummins/Onan DQAF

Cummins/Onan DQAF Generator Set

The Cummins/Onan DQAF is a 300 kW Diesel standby generator set powered by a Cummins/Onan QSM11 engine. It is available at 24 V, 3-phase and 60 Hz. It holds about 36.7 L (9.7 gal) of oil and 40 L (10.6 gal) of coolant. Starting uses 2 group-8 batteries rated 900 CCA at 12 V. The set measures 5486×1676×2515 mm (216.0×66.0×99.0 in) and weighs about 6364 kg (14030 lb). An integrated tank holds 81 L (21.4 gal).

300 kW
Standby
10.8 L
Displacement
36.7 L
Oil capacity
4
Document types

How to read your Cummins/Onan serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power300 kW
Prime power270 kW
ControllerPCC PowerCommand 3100, PowerCommand, PowerCommand 3100
Oil capacity36.7 L
AlternatorCummins/Onan Stamford® alternators
Voltage options24 V
Phase3
Battery group8
Battery cranking900 CCA
Battery voltage12 V
Battery quantity2
Coolant capacity40 L
Dimensions (L×W×H)5486×1676×2515 mm
Dry weight6364 kg
Fuel tank81.0 L

Engine

Cummins/Onan QSM11
Oil capacity36.7 L
Coolant capacity40.0 L
Displacement10.8 L
Aspiration4-stroke diesel
Rated speed2300 rpm

Maintenance & consumables

for the Cummins/Onan QSM11
ItemSpecCapacityPart #Interval
Air filter1500 hr find
Fuel filter600 hr find
Oil filter3397929600 hr PartsGeek
Belt6000 hr find
CoolantCheck level40.0 L
Coolant filter1500 hr find
Oil36.76000 hr

Common questions

What is the power rating of the Cummins/Onan DQAF?

The Cummins/Onan DQAF is rated 300 kW standby.

What engine does the Cummins/Onan DQAF use?

The Cummins/Onan DQAF is powered by the Cummins/Onan QSM11 engine.

What fuel does the Cummins/Onan DQAF use?

The Cummins/Onan DQAF runs on Diesel.

What is the oil capacity of the Cummins/Onan DQAF?

The Cummins/Onan QSM11 engine in the Cummins/Onan DQAF has an oil capacity of 36.7 liters.

What alternator does the Cummins/Onan DQAF use?

The Cummins/Onan DQAF uses a Cummins/Onan Stamford® alternators alternator.

What oil filter does the Cummins/Onan DQAF use?

The Cummins/Onan DQAF uses oil filter part number 3397929.

Troubleshooting

74

Fault codes

CodeMeaningCauseRemedy
HIGH COOLANT TEMP 212Shutdown lamp lights. MESSAGE: HIGH COOLANT TEMP 212 − SHUTDOWNIndicates engine has overheated (coolant temperature has risen above the shutdown trip point: 223° F (106° C) − standby or 215° F (102° C) − prime.)Allow engine to cool down completely before proceeding with the following checks: a. Check for obstructions to cooling airflow and correct as necessary. b. Check fan belt and repair or tighten if necessary. c. Check coolant mixture. d. Check blower fan and circulation pumps on remote radiator installations. e. Reset control and restart after locating and correcting problem.
COOLANT SENDER 213Warning lamp lights. MESSAGE: COOLANT SENDER 213 − WARNINGIndicates that the resistance of the coolant temperature sender is out of range. Check the resistance of the sender. Resistance should be 500 to 2k ohms.
LOW COOLANT LVL 214Shutdown lamp lights. MESSAGE: LOW COOLANT LVL 214 − WARNING or LOW COOLANT LVL 215 − SHUTDOWNIndicates engine coolant level has fallen below the trip point. Allow engine to cool down completely before proceeding. a. Check coolant level in both radiator and coolant recovery bottle and replenish if low. Look for possible coolant leakage points and repair if necessary. b. Reset control and restart after locating and correcting problem. LOW COOLANT LVL Shutdown will not occur if genset is in Idle mode (low coolant warning only).
MAG PICKUP 220Shutdown lamp lights. MESSAGE: MAG PICKUP 220 − SHUTDOWNIndicates mag pickup speed indication is not being sensed or does not match generator set output frequency. a. Restart and check RPM on the digital display.
FAIL TO CRANK 221Shutdown lamp lights. Engine stops cranking. MESSAGE: FAIL TO CRANK 221 − SHUTDOWNIndicates possible fault with control or starting system. Check for the following conditions: a. Check fuse F3 on the Engine Interface board. b. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. c. Discharged or defective battery. Recharge or replace the battery.
OVERCRANK 222Shutdown lamp lights. Engine runs and then shuts down. MESSAGE: OVERCRANK 222 − SHUTDOWNIndicates possible fuel system problem. a. Check for empty fuel tank, fuel leaks, or plugged fuel lines and correct as required. b. Check for dirty fuel filter and replace if necessary. c. Check for dirty or plugged air filter and replace if necessary. d. Reset the control and restart after correcting the problem.
OVERSPEED 223Shutdown lamp lights. Engine runs and then shuts down. MESSAGE: OVERSPEED 223 − SHUTDOWNIndicates engine has exceeded normal operating speed. (115% ±1% of nominal).
LOW DC VOLTAGE 230Warning lamp lights. MESSAGE: LOW DC VOLTAGE 230 − WARNINGIndicates battery voltage is below 10 VDC. a. Discharged or defective battery. Check the battery charger fuse. Recharge or replace the battery. b. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. c. Check engine DC alternator. Replace engine DC alternator if normal battery charging voltage is not obtained. d. Check battery charge voltage float level if applicable (raise float level).
HIGH DC VOLTAGE 231Warning lamp lights. MESSAGE: HIGH DC VOLTAGE 231 − WARNINGIndicates battery voltage exceeds 32 VDC. Check voltage float level on battery charger if applicable (lower float level). Check engine DC alternator. Replace engine DC alternator if normal battery charging voltage is not obtained.
WEAK BATTERY 232Warning lamp lights. MESSAGE: WEAK BATTERY 232 − WARNINGIndicates battery voltage drops below 60% of nominal for two seconds, during starting. Discharged or defective battery. See Warning message 230, LOW DC VOLTAGE.
LOW FUEL-DAY 240Shutdown lamp lights. MESSAGE: LOW FUEL−DAY 240 − WARNING or LOW FUEL 241 − WARNINGIndicates day tank fuel supply is running low. Check fuel supply and replenish as required.
EEPROM ERROR 250Shutdown lamp lights. MESSAGE: EEPROM ERROR 250 − SHUTDOWNIndicates PCC memory error. Data corruption of critical operating parameters.
EEPROM ERROR 251Warning lamp lights. MESSAGE: EEPROM ERROR 251 − WARNING or 252 − WARNINGIndicates PCC memory error. Data corruption of noncritical operating parameters.
CUSTOMER FAULT 1 260Shutdown lamp lights. MESSAGE: CUSTOMER FAULT 1 260 − SHUTDOWN or GROUND FAULT 261 − SHUTDOWNWhen any one of these customer defined inputs is closed to ground, the corresponding fault message is displayed. The nature of the fault is an optional customer selection. These fault functions can be programmed to initiate a shutdown or a warning. As indicated by the Shutdown lamp, a shutdown response has been preselected.
250EEPROM ERROR
260CUSTOMER FAULT 1*
261GROUND FAULT*
262CM570/ENGINE
301HIGH AC VOLTAGE
303LOW AC VOLTAGE
313UNDER FREQUENCY
320OVERCURRENT
322SHORT CIRCUIT
330OVERLOAD
335REVERSE POWER
101IDLE MODE
102EMERGENCY STOPTo reset the local/remote Emergency Stop button: Pull the button out. Move the Run/Off/Auto switch to Off. Press the Reset switch. Select Run or Auto, as required.
200LOW OIL PRESSUREIf generator is powering critical loads and cannot be shut down, wait until next shutdown period and then follow 201-SHUTDOWN procedure. To check oil pressure, access the Oil Pressure menu prior to clearing the fault.
204OIL PRES SENDERCheck that the engine oil pressure sender is properly connected.
210LOW COOLANT TEMPSet is not operating. Warning occurs when engine coolant temperature is 70° F (21° C) or lower. NOTE: In applications where the ambient temperature falls below 40°F (4°C), Low Coolant Temp may be indicated even though the coolant heaters are operating. Indicates engine coolant heater is not operating or is not circulating coolant. Check for the following conditions: a. Coolant heater not connected to power supply. Check for blown fuse or disconnected heater cord and correct as required. b. Check for low coolant level and replenish if required. Look for possible coolant leakage points and repair as required. c. Open heater element. Check current draw of heater.
red Shutdown lampShutdown faultMake adjustments or corrections before restarting the genset
HIGH COOLANT TEMPShutdown lamp lights.Allow engine to cool down completely before proceeding with the following checks: a. Check coolant level and replenish if low. Look for coolant leakage and repair if necessary. b. Check for obstructions to cooling airflow and correct as necessary. c. Check fan belt and repair or tighten if necessary. d. Reset control and restart after locating and correcting problem. Contact an authorized service center if none of the above.
ENG COOLANT SENDERShutdown or Warning lamp lights.Contact an authorized service center.
FAIL TO CRANKEngine will not crank.A. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. b. Discharged or defective battery. Recharge or replace the battery. c. Contact an authorized service center for service of starter and starting system.
OVERCRANKEngine stops cranking.A. Check for empty fuel tank, fuel leaks, or plugged fuel lines and correct as required. b. Check for dirty fuel filter and replace if necessary. c. Check for dirty or plugged air filter and replace if necessary. d. Reset the control and restart after correcting the problem. Contact an authorized service center if none of the above.
LOW DC VOLTAGEWarning lamp lights.A. Discharged or defective battery. Check the battery charger fuse. Recharge or replace the battery. b. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. c. Contact an authorized service center if none of the above.
101Engine continues to operate at reduced RPM.
102Engine shuts down and will not crank.To reset the local Emergency Stop button : Pull the button out. Move the Run/Off/Auto switch to Off. Press the Reset switch. Select Run or Auto, as required.
211HIGH COOLANT TEMPIndicates engine has begun to overheat and coolant temperature has risen to an unacceptable level: (215° F − standby / 207° F − primary). If generator is powering non-critical and critical loads and cannot be shut down, use the following: a. Reduce load if possible by turning off non-critical loads. b. Check air inlets and outlets and remove any obstructions to airflow. If engine can be stopped, follow the next procedure. To check coolant temperature, access Coolant Temp menu prior to clearing the fault.
260Warning lamp lights. MESSAGE: CUSTOMER FAULT 1 260 − WARNING or GROUND FAULT
261Warning lamp lights. MESSAGE: CUSTOMER FAULT 1 261 − WARNING
262Shutdown or Warning lamp lights. MESSAGE: CM570/ENGINE 262 − WARNING
263Shutdown or Warning lamp lights. MESSAGE: CM570/ENGINE 263 − SHUTDOWN
301Shutdown lamp lights. MESSAGE: HIGH AC VOLTAGE 301 − SHUTDOWN
303Shutdown lamp lights. MESSAGE: LOW AC VOLTAGE 303 − SHUTDOWN
313Shutdown lamp lights. MESSAGE: UNDER FREQUENCY 313 − SHUTDOWN
320Warning lamp lights. MESSAGE: OVERCURRENT 320 − WARNING
321Shutdown lamp lights. MESSAGE: OVERCURRENT 321 − SHUTDOWN
322Shutdown lamp lights. MESSAGE: SHORT CIRCUIT 322 − SHUTDOWN
330Warning lamp lights. MESSAGE: OVERLOAD 330 − WARNING
335Shutdown lamp lights. MESSAGE: REVERSE POWER 335 − SHUTDOWN
201LOW OIL PRESSURE Shutdown lamp lights. MESSAGE: LOW OIL PRESSURE 201 − SHUTDOWNEngine oil pressure has dropped below the shutdown trip point.Check oil level, lines and filters. If oil system is OK but oil level is low, replenish. Reset control and restart. Oil pressure limits are listed in Specifications. Contact an authorized service center.
204OIL PRES SENDER Warning lamp lights. MESSAGE: OIL PRES SENDER 204 − WARNINGCheck that the engine oil pressure sender is properly connected. Contact an authorized service center.
210LOW COOLANT TEMP Warning lamp lights. MESSAGE: LOW COOLANT TEMP 210 − WARNINGSet is in standby mode but is not operating. Warning occurs when engine coolant temperature is 70 F (21 C) or lower. NOTE: In applications where the ambient temperature falls below 40F (4C), Low Engine Temp may be indicated even though the coolant heaters are operating.
211HIGH COOLANT TEMP Warning lamp lights. MESSAGE: HIGH COOLANT TEMP 211 − WARNINGIndicates engine has begun to overheat and coolant temperature has risen to an unacceptable level:
212HIGH COOLANT TEMP Shutdown lamp lights. MESSAGE: HIGH COOLANT TEMP 212 − SHUTDOWNIndicates engine has overheated (coolant temperature has risen above the shutdown trip point: 223 F − standby / 215 F − primary) or the coolant level is low. Allow engine to cool down completely before proceeding with the following checks: a. Check coolant level and replenish if low. Look for coolant leakage and repair if necessary. b. Check for obstructions to cooling airflow and correct as necessary. c. Check fan belt and repair or tighten if necessary. d. Reset control and restart after locating and correcting problem. Contact an authorized service center if none of the above.
213ENG COOLANT SENDER Warning lamp lights. MESSAGE: ENG COOLANT SENDER 213 − WARNINGIndicates that the resistance of the coolant temperature sender is out of range. Contact an authorized service center.
214LOW COOLANT LVL Shutdown or Warning lamp lights. MESSAGE: LOW COOLANT LVL 214 − WARNING or LOW COOLANT LVL 215 − SHUTDOWNIndicates engine coolant level has fallen below the trip point. Allow engine to cool down completely before proceeding. a. Check coolant level and replenish if low. Look for possible coolant leakage points and repair if necessary. b. Reset control and restart after locating and correcting problem. Contact an authorized service center.
220MAG PICKUP Shutdown lamp lights. MESSAGE: MAG PICKUP 220 − SHUTDOWNIndicates mag pickup speed indication is not being sensed or does not match generator set output frequency. a. Restart and check RPM on the digital display. b. Contact an authorized service center.
221FAIL TO CRANK Shutdown lamp lights. Engine will not crank. MESSAGE: FAIL TO CRANK 221 − SHUTDOWNIndicates possible fault with control or starting system. Check for the following conditions: a. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. b. Discharged or defective battery. Recharge or replace the battery. c. Contact an authorized service center for service of starter and starting system.
222OVERCRANK Shutdown lamp lights. Engine stops cranking. MESSAGE: OVERCRANK 222 − SHUTDOWNIndicates possible fuel system problem. a. Check for empty fuel tank, fuel leaks, or plugged fuel lines and correct as required. b. Check for dirty fuel filter and replace if necessary. c. Check for dirty or plugged air filter and replace if necessary. d. Reset the control and restart after correcting the problem. Contact an authorized service center if none of the above.
223OVERSPEED Shutdown lamp lights. Engine runs and then shuts down, MESSAGE: OVERSPEED 223 − SHUTDOWNIndicates engine has exceeded normal operating speed. (2070 rpm @ 60 Hz; 180
213COOLANT SENDER
214LOW COOLANT LVL
220MAG PICKUP
221FAIL TO CRANK
222OVERCRANK
223OVERSPEED
230LOW DC VOLTAGE
231HIGH DC VOLTAGE
232WEAK BATTERY
240LOW FUEL − DAY
241LOW FUEL

Symptoms & remedies

SymptomRemedy
High coolant temperatureCheck fluid levels, control reset functions

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

92
Part #DescriptionQtySystem
12000180Fuel inlet to pump1Pump PartsGeek
12000183Fuel filter1Fuel filter PartsGeek
12000185Power steering pump mounting location1Pump PartsGeek
12000186Oil pressure and temperature sensor1Oil pressure and temperature sensor PartsGeek
12000187Engine position sensor1Engine position sensor PartsGeek
13200052Slow Idle FeatureSlow idle feature PartsGeek
13200060Engine Speed Control SwitchEngine speed control switch PartsGeek
13200087Oil Pressure GaugeOil pressure gauge PartsGeek
15600049Fuel Shutoff ValveFuel shutoff valve PartsGeek
19400715OEM Interface 21-Pin Harness ConnectorHose PartsGeek
19400718OEM Interface 24-Pin Harness ConnectorHose PartsGeek
2871254Starter 12VStarter PartsGeek
2874862Alternator 12VAlternator PartsGeek
2874863Alternator 24VAs neededAlternator PartsGeek FridayParts $200.27
3037425BeltBelt PartsGeek
3103916Starter 24VStarter PartsGeek
3200069STOP CHECK!Stop check PartsGeek
33200082Engine Stop ButtonEngine stop button PartsGeek
3375049Oil Filter Wrench1Oil filter PartsGeek
3375362Sight Glass (Used to check for air in the fuel suction line. Use Part Number 3375362 with Number 12 hose, and Part Number 3375808 with Number 16 hose.)1Air filter PartsGeek
3375808Sight Glass (Used to check for air in the fuel suction line. Use Part Number 3375362 with Number 12 hose, and Part Number 3375808 with Number 16 hose.)1Air filter PartsGeek
3376326Pulley PusherPulley pusher PartsGeek
3376807Filter Wrench (Used to remove or tighten spin on fuel filters.)1Fuel filter PartsGeek
3377401Pulley Pusher Adapter, 5/16 X 24 X 2 capscrewsPulley pusher adapter PartsGeek
3397929Oil filter wrench1Oil filter PartsGeek
38200567Idle Adjustment SwitchIdle adjustment switch PartsGeek
3823494SealantFluid PartsGeek
3823579CELECT™ Injector Puller and Driver Assembly (Used to remove and install CELECT™ injectors.)1Injector PartsGeek
39200434Governed rpmRpm governor PartsGeek
43200085VoltmeterVoltmeter PartsGeek
43200086Tachometer w/Hour MeterTachometer PartsGeek
49c00185Data LinkData link PartsGeek
8359-01IMPELLER1Impeller PartsGeek
A40-TB1-11(COMMON ALARM)Ground PartsGeek
A40-TB1-30COMMON ALARMCommon alarm PartsGeek
A40-TB1-31(COMMON ALARM)Common alarm PartsGeek
A40-TB1-8JUMPER WIREBelt PartsGeek
C-01Governor Gain Potentiometer (R1)Potentiometer PartsGeek
CAMSET0032CAM LINER(WITH O-RING)1Seal PartsGeek
FS1000Fuel Filter1Fuel filter Amazon eBay $87.30 PartsGeek
LF9001Lube Filter1Oil filter PartsGeek FridayParts $36.00
LFg9001Valvoline® Premium Blue®Oil filter PartsGeek
MCIF4024941In-Frame Engine KitIn frame engine kit PartsGeek
MCSSET0019M-SEAL(WITH SPACER, SNAP-RING)1Seal PartsGeek
ORG0054O-RING1Seal PartsGeek
ORG0055O-RING1Seal PartsGeek
RET0042OIL SEAL1Seal PartsGeek
RU3220Air Cleaner1Air filter PartsGeek
ST-434-1Hose Adapter (Used with vacuum gauge, Part Number ST-434. Use Part Number ST-434-1 with Number 8 hose.)1Hose PartsGeek
ST-434-2Hose Adapter (Used with vacuum gauge, Part Number ST-434. Use Part Number ST-434-2 with Number 10 hose.)1Hose PartsGeek
V70509Lube Oil4 Gal.Fluid PartsGeek
WF2072Coolant Filter1Coolant filter Amazon eBay $20.95 PartsGeek
05200182Flywheel ring gear sensor1Service part / kit PartsGeek
12000184Rail pressure1Service part / kit PartsGeek
12000188Freon compressor mounting location.1Service part / kit PartsGeek
19400716Hard-CoupledService part / kit PartsGeek
19400734Intermediate Speed ControlService part / kit PartsGeek
19800802Multiple Unit SynchronizationService part / kit PartsGeek
3305070Heater, 240V1Service part / kit PartsGeek
3315033Heater, 120V1Service part / kit PartsGeek
3823451Static Injection Timing Tool (Used to measure static timing.)1Service part / kit PartsGeek
3885910Red Paint, Spray can3Service part / kit PartsGeek
492000038Operation and Maintenance NanualService part / kit PartsGeek
49800897Intermediate Speed ControlService part / kit PartsGeek
49801587Electronic Fan ClutchService part / kit PartsGeek
8210G4-12VDC1" 12V solenoidAs neededService part / kit PartsGeek
8210G4-24VDC1" 24V solenoidAs neededService part / kit PartsGeek
98200038Engine Steam CleaningService part / kit PartsGeek
A40-TB1-1B+Service part / kit PartsGeek
A40-TB1-12(B-)Service part / kit PartsGeek
BER0052BEARING2Service part / kit PartsGeek
C2800Fleetguard® refractometer1Service part / kit PartsGeek
CC2800Fleetguard® refractometerService part / kit PartsGeek
CM570Calibration Module for QSM111Service part / kit PartsGeek
D036Service part / kit PartsGeek
D041Service part / kit PartsGeek
F154Service part / kit PartsGeek
F159Service part / kit PartsGeek
H479Service part / kit PartsGeek
H487Service part / kit PartsGeek
H488Service part / kit PartsGeek
H530Service part / kit PartsGeek
H556Service part / kit PartsGeek
H557Service part / kit PartsGeek
JSK0080SERVICE KIT1Service part / kit PartsGeek
K882Service part / kit PartsGeek
LE9o01Cummins Engine Company, Inc.Service part / kit PartsGeek
MCIF4024940Kit, de cilindros pCService part / kit PartsGeek
QSM11Throttle ActuatorService part / kit PartsGeek FridayParts $468.47
SHA0093SHAFT1Service part / kit PartsGeek
ST-1111-3Mercury-Filled Slack Tube Manometer (Used to measure fuel drain line restriction.)1Service part / kit PartsGeek
WER0020WEAR PLATE1Service part / kit PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime19.473.4
Standby17.365.5
Standby100%65.517.3

Available documents

Spec sheet — s-1424 (Cummins/Onan)Operator's manual — 960-0159 Cummins DQAD DQAE DQAF Operator's Manual (7-2010) (Cummins/Onan)Operator's manual — 960-0172 Cummins DQAD DQAE DQAF Operator's Manual (2-2004) (Cummins/Onan)Parts manual — 960-0217 Cummins DQAD DQAE DQAF Parts Manual (5-2001) (Cummins/Onan)Service manual — 960-0516B Cummins DQAD DQAE DQAF Service Manual (2-2004) (Cummins/Onan)Service manual — 960-0624 Cummins DGAD DGAE DGAF Installation Manual (5-2001) (Cummins/Onan)Service manual — 960-0632B Cummins DQAD DQAE DQAF Installation Manual (2-2004) (Cummins/Onan)

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