TROUBLESHOOTINGOperation&MaintenanceManual
CPRCODE28
IncorrectEngine
ECUCalibration
EngineECUhasadifferent
calibrationthatwhatisexpected
(Enginewillnotcrank)
ALERT
CPRCODE
29ENGINE
SHUTDOWN??
EngineShutdown
Unknown
Enginestoppedwithoutanengine
diagnosticcode.
FAULT
CPRCODE30
HIGHAIREND
TEMP
HighAirend
Discharge
Temperature
Airenddischargetemperature
greaterthanorequalto248˚F .
FAULT
CPRCODE32
AIRENDDISC
TEMPSENSOR
AirendDischarge
Temperature
Sensor
Airenddischargetemperature
sensorreadingoutofrange.
FAULT
CPRCODE33
SEPTANKPRES
SENSOR
SeparatorTank
PressureSensor
Separatortankpressuresensor
readingoutofrange.
FAULT
CPRCODE34
HIGHPRESAT
START
HighSeparator
PressureatStart
Separatortankpressuregreater
than20psiatcrankattempt.
ALERT
CPRCODE35
HIGHSEPTANK
PRES
HighSeparator
TankPressure
Airpressureintheseparatortank
exceededlimit.
FAULT
CPRCODE36
SAFETYVALVE
OPEN
SafetyValueOpenSafetyreliefvalveonseparator
tankopened.
FAULT
CPRCODE38
AIRFILTERS
RESTRICTED
IntakeAirFilters
Restricted
Intakeltersrestrictingairow.
ALERT
CPRCODE39
LOWSYSTEM
VOLTAGE
LowSystem
Voltage/Alternator
NotCharging
Electricalsystemvoltagebelow
25.5VDC.
ALERT
CPRCODE42
FUELLEVEL
SENSOR
FuelLevelSensorFuellevelsensorreadingoutof
range.
ALERT
CPRCODE43
LOWSEPTANK
PRES
LowSeparator
TankPressure
Separatortankpressurebelow40
psiaftercompressorisloaded.
FAULT
CPRCODE
44HIGHIQ
FILTERSRSTR
HighIQFilter
Restriction
IQltersrestrictingairow.
ALERT
CPRCODE50
HIGHSEPTANK
TEMP
HighSeparator
TankT emperature
Separatortanktemperature
greaterthanorequalto248˚F .
FAULT
107