Operation & Maintenance M anual TROUBLESHOOTING
CPR CODE 54
REG SYSTEM
PRES SENSOR
Regulation
System Pressure
Sensor
Regulation sys
tem pressure
sensor reading out of range.
FAULT
CPR CODE
55 E-STOP
ACTIVATED
Emergency St
op
Activated
Emergency St
op button has been
activated.
FAULT
CPR CODE 58
AMBIENT TEMP
SENSOR
Ambient
Temperature
Sensor
Ambient temperature sensor
reading out of range.
ALERT
CPR CODE 61
IQ FILTER PRES
ERROR
IQ Filter Pressure
Error
IQ filter outlet pressure reading
higher than inlet pressure.
ALERT
CPR CODE
71 ENG ECM
COMMS
Engine ECM
Communication
Communication between Titan
controller and engine ECM not
functional.
FAULT
CPR CODE 73
AUTOS
TART
CTRL COMMS
Autostart
Controller
Communication
Communication between Titan
contr
oller and AutoStart controller
not functional.
ALERT
CPR CODE 75
IQ TCU CTRL
COMMS
IQ TCU Controller
Communication
Communication between Titan
controller and OTC controller not
functional.
ALER
T
CP
RCODE
76 CPR CTRL
COMMS
Co
mpressor
Controller
Communication
Co
mmunication between
Titan controller and Engine
Tachometer with MidPort display
n
ot functional.
ALERT
CPR CODE
77 KEYPAD
COMMS
Keypad
C
ommunication
Communication between Titan
controller and Keypad not
functional.
FAULT
68
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