The Cummins/Onan DFLB is a Diesel generator set powered by a Cummins/Onan KTA50 series engine. It is available at 24 V, 60 Hz. It holds about 169 L (44.6 gal) of oil and 348 L (91.9 gal) of coolant. Starting uses 4 group-12 batteries rated 1400 CCA at 24 V. The same KTA50 series engine also powers generator sets from AKSA.
The Cummins/Onan DFLB is powered by the Cummins/Onan KTA50 series engine.
What fuel does the Cummins/Onan DFLB use?
The Cummins/Onan DFLB runs on Diesel.
What is the oil capacity of the Cummins/Onan DFLB?
The Cummins/Onan KTA50 series engine in the Cummins/Onan DFLB has an oil capacity of 44.7 liters.
Troubleshooting
55
Fault codes
Code
Meaning
1131
Battle Short mode is enabled.
1416
An overridden shutdown fault occurs, but the genset does not shut down.
234
Overspeed fault.
1433
Emergency Stop fault.
1434
Remote Emergency Stop fault.
121
Speed Signal Lost fault.
2335
Excitation Fault.
1123
A shutdown occurs immediately after moving the customer installed Battle Short switch to OFF with an active but overridden shutdown fault or a shutdown fault that was overridden at any time.
135
Oil Pressure Sensor High
141
Oil Pressure Sensor Low
143
Pre-Low Oil Pressure Sensor
144
Coolant Temperature Sensor High
145
Coolant Temperature Sensor Low
146
Pre-High Cool Temp
151
High Coolant Temp
197
Low Coolant Level
235
Low Coolant Level
359
Fail to Start
415
Low Oil Pressure
441
Low Battery Voltage
442
High Battery Voltage
1124
Delayed Shutdown
1244
Engine Normal Shutdown
1311
Customer Inputs #1
1312
Customer Inputs #2
1317
Customer Inputs #3
1318
Customer Inputs #4
1334
Crit Scaler OR
1335
Non-Crit Scaler OR
1417
Power Down Failure
1435
Low Coolant Temperature
1438
Fail to Crank
1442
Weak Battery
1443
Battery Failed
1444
KW Overload
1445
Short Circuit
1446
High AC Voltage
1447
Low AC Voltage
1448
Under Frequency
1449
Over Frequency
1461
Loss of Field
1466
Modem Failure
1468
Network Error
1469
Speed/Hz Match
1471
Over Current
1472
Over Current
2336
Memory Error
2341
High Control Temperature
2342
Too Long in Idle
2967
Governor Fault
2968
AVR Fault
2969
LON Failure
2972
Field Overload
Symptoms & remedies
Symptom
Cause
Remedy
Engine does not start
Place the O/Manual/Auto switch in the O position and press the Fault Acknowledge/Reset button. Before attempting to restart, wait two minutes for the starter motor to cool and then repeat the starting procedure. If the engine does not run after a second attempt, refer to the Troubleshooting section.
Engine cold (Code 1435) message
The engine jacket water coolant temperature falls below 70°F (21°C)
Check the coolant heaters for proper operation. If the coolant heaters are operating properly, other precautions may be necessary to warm the engine before applying a load.
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
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.