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Cummins/Onan V2203 Engine

Name: Cummins/Onan V2203 Engine
Brand: Cummins/Onan

The Cummins/Onan V2203 is an engine. It powers generator sets from Cummins/Onan, including the C20 D6.

Also known as: Cummins V2203

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Engine specifications

Generator sets powered by this engine

Cummins/Onan C20 D6

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Common problems

Undervoltage sensor pickup and dropout adjustable from 85-100% and 75-98%
Fix: Dropout adjustable delay from 0.1-30 sec.
Time delay start and stop (cooldown) configurable for time delay of 0-300 seconds prior to starting after receiving a remote start signal
Fix: Control provides retransfer time delays including time delay emergency to normal (0-1800 sec), programmed transition delay (0-600 sec), and time delay engine cooldown (0-3600 sec).
Time delay of 0-600 seconds prior to shutdown after signal to stop in normal operation modes
Fix: Default for both time delay periods is 0 seconds.
Sensor failure indication
Fix: Logic is provided on the base control to detect analog sensor or interconnecting wiring failures.
Overvoltage sensor dropout adjustable from 105-135% of nominal
Fix: Dropout adjustable delay from 0.5-120 sec.
Over/under frequency sensor underfrequency sensing pickup and dropout adjustable from 85-100% and 70-85%
Fix: Dropout adjustable delay from 0.1-15 sec.
Over/under frequency sensor overfrequency sensing dropout adjustable from 105-115% of nominal
Fix: Dropout adjustable delay from 0.1-15 sec.
Low lube oil pressure warning/shutdown
Fix: Level is pre-set to match the capabilities of the engine used. Control includes time delays to prevent nuisance shutdown signals.
Low coolant temperature warning
Fix: Indicates that engine temperature may not be high enough for 1 min. and start or proper load acceptance.
High coolant temperature warning/shutdown
Fix: Level is pre-set to match the capabilities of the engine used. Control includes time delays to prevent nuisance shutdown signals.
Emergency stop signal is received
Fix: The generator set immediately shuts down and cannot run or crank with the E-stop switch engaged.

Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan V2203.

Service specifications

Type	Item	Value	Unit	Condition
Other	AFLEX-H (shake table test datum)	<=3.200	g	AC156, tri-axial, 5% damping SRS
Other	AFLEX-V (shake table test datum)	<=1.333	g	AC156, tri-axial, 5% damping SRS
Other	ARIG-H (shake table test datum)	<=2.400	g	AC156, tri-axial, 5% damping SRS
Other	ARIG-V (shake table test datum)	<=0.533	g	AC156, tri-axial, 5% damping SRS
Other	Ground snow load limit	30	psf	For indoor (covered) and outdoor (exposed) installation
Other	Horizontal design seismic coefficient (z/h = 0.0)	1.440	g	Certified seismic design level, IBC Importance IP <= 1.5, Soil Classes A-E, Risk Categories I-IV, Design Categories A-F, SDS <= 2.000 g
Other	SDS (g) at z/h=1 for C10 D6 - C60 D6	2.0	g	Certified SDS, z/h = 1
Other	SDS (g) at z/h=1 for C50 D6C - C125 D6C	2.5	g	Certified SDS, z/h = 1
Other	ZPA-H (shake table test datum)	<=2.160	g	AC156, tri-axial, 5% damping SRS
Other	ZPA-V (shake table test datum)	<=0.480	g	AC156, tri-axial, 5% damping SRS

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

Which generators use the Cummins/Onan V2203 engine?

The Cummins/Onan V2203 powers 1 generator set(s), including Cummins/Onan C20 D6.

What is a common problem with the Cummins/Onan V2203 engine?

A commonly reported issue on generators using the Cummins/Onan V2203 is: Undervoltage sensor pickup and dropout adjustable from 85-100% and 75-98%. Fix: Dropout adjustable delay from 0.1-30 sec..