
R
81
64
Heatup failure
Likely cause:
Failure to reach cranking temperature within eight minutes.
Thermocouple failure or poor flame strength.
Recommended Action:
Check fuel level, fuel valve, and fuel filter. Check exhaust for
blockage. Attempt to restart, contact an authorised WhisperGen
service agent if problem reoccurs.
66
Crank failure
Likely cause:
Unsuccessful crank attempt, probably due to an electrical fault.
Recommended Action:
Attempt to restart, contact an authorised WhisperGen service
agent if problem reoccurs.
68
Engine sluggish
Likely cause:
Low power output after cranking, possibly due to low gas
pressure.
Recommended Action:
Attempt to restart, contact an authorised WhisperGen service
agent if problem reoccurs.
72
Drive bridge fail
Likely cause:
Abnormal electrical condition.
Recommended Action:
Attempt Restart, contact an authorised WhisperGen service
agent if problem reoccurs.
74
Low engine power
Likely cause:
Low power output, possibly due to low gas pressure. Low fuel
flow.
Recommended Action:
Check fuel level, fuel valve, and fuel filter. Check exhaust for
blockage. Flush heat exchanger. Restart, if problem reoccurs
contact an authorised WhisperGen service agent .
76
O2 sensor OOL
Likely cause:
Oxygen sensor reading out-of-limits, possibly resulting in poor
combustion.
Recommended Action:
Check connector and restart. Replace oxygen sensor if fault
continues.
80
Clamp failed on
Likely cause:
Abnormal electrical condition.
Recommended Action:
Contact authorised WhisperGen service agent.
82
Excess volt drop
Likely cause:
Too high electrical resistance between the WhisperGen and
battery bank.
Recommended Action:
Check battery bank connections and battery bank voltage
sensing wires. Restart.
Code
Error Message
Likely Cause and Recommended Action