Owner’s Manual for Flameless Heat Cart
25
Troubleshooting
Overheat/shutdown
condition
(Check controller for
engine fault shutdown
code)
Access doors are open.
Close all access doors.
Air outlets are closed.
Open the air outlets and verify there are no
obstructions or tight bends in the ducting.
Front radiator or rear oil cooler are full of
debris.
Clean the unit.
Engine rpm is set too high for ambient
temperature.
Lower the engine rpm.
Faulty temperature sensor.
Check air outlet sensor operation.
Blower fan operating incorrectly.
Remove ducting; check blower fan opera-
tion.
No/low heat condition
Incorrect heater setting (target tempera-
ture too low).
Adjust heater output. See
.
Access doors are open.
Close all access doors.
Insufficient HTF/hydraulic oil level.
•
Check level on tank sight glass, adjust
as needed.
•
Inspect HTF hoses for leaks or loose
fittings.
•
Check fluid for foaming.
Clogged HTF/hydraulic oil filters.
Check restriction gauges/replace HTF
filters.
Excessive ducting for ambient conditions.
Move unit closer to heat recipient if
possible.
HTF pump drive sheared.
Contact a GMP ASD.
Controller sensor fault.
Check sensor related to fault.
Problem
Cause
Solution
Summary of Contents for MAC400HC
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