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Global Power Technologies
ALARM
ALARM TYPE
CODES
Engine Temperature
107
Low
108
208
Engine Temperature
308
High
408
Oil Pressure Switch
409
Signal Loss
Coolant Pump
110
RPM Low
Fuel Pressure Switch
111
Signal Loss
112
Engine RPM Low
312
113
Engine RPM High
Engine Exhaust
114
Temperature High
115
AC Power Factor Low
116
ECU CAN Bus Error
ECU Engine RPM
117
Over-Speed
ECU Engine Exhaust
118
Over-Temperature
ECU Engine Coolant
119
Over-Temperature
Engine Cranking
320
Failure
Engine Starting
321
Failure
Power Meter
122
Communication Error
ECU Communication
123
Error
302672 Rev2 | MX PrimeGen
Engine temperature is low, and it is unlikely to start successfully.
Engine temperature is too high for operation.
This can indicate severe ambient conditions, engine overload, or
radiator cooling system failures.
The oil pressure switch has lost signal. This can indicate oil
circulation failure, or a failure of the oil pressure switch.
The RPM signal from the coolant pump is too low.
This can indicate failure of the coolant pump.
The fuel pressure switch has lost signal. This can indicate a closed
fuel valve, or problems with the fuel supply.
Engine speed is below nominal values. This may occur during load
transients, or from drops in fuel supply pressure.
Engine speed is above nominal values. This may briefly occur
during load transients. Contact GPT if this alarm is sustained for
long periods of time.
Engine exhaust temperature is too high for operation. This can
indicate engine overload, engine catalyst failure, or exhaust
temperature sensor failure.
AC Power Factor Low; User load quality;
CAN Bus error message received from the Engine Control Unit.
Contact GPT for assistance with this ECU alarm.
Engine overspeed error message received from the Engine
Control Unit. Contact GPT for assistance with ECU issues.
Engine exhaust overtemperature message received from the
Engine Control Unit. This can indicate engine overload, engine
catalyst failure, or exhaust temperature sensor failure.
Engine coolant overtemperature error message received from
Engine Control Unit. This can indicate engine overload, or radiator
cooling system failures.
The most recent engine crank attempt failed. This can indicate a
depleted or failed battery, or engine starter failure.
The most recent engine start attempt failed. This can indicate a
depleted or failed battery, or engine starter failure.
Communications to the power meter have failed. Sporadic errors
will indicate high harmonics from the alternator, while prolonged
errors can indicate power meter failure or wire failure
Communications to the Engine Control Unit have failed. This can
indicate issues with the engine wire harness, or ECU failure.
ALARM DETAILS
TROUBLESHOOTING
56
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