22 Owner’s Manual for Flameless Air Heater
Troubleshooting
Message Cause
Heater Shutdown due to temperature, pressure
or level out of range
High hydraulic temperature
Low hydraulic pressure
Low hydraulic level
Fuel Over temp.
Fuel temperature >= 140° F
1. Open heat circuit solenoid
2. Increase scroll fan RPM to max RPM via fan circuit sole-
noid and drop engine to idle
3. Monitor fuel temperature for five minutes
Fuel temperature is still >= 140° F
1. Open heat circuit solenoid
2. Drop engine to idle
3. Unit will shut down after five minutes
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