28
Owner’s Manual for Indirect Fired Heater
Troubleshooting
Excessive oil consumption
Insufficient crankcase oil viscosity.
Drain crankcase and refill with correct
viscosity oil. See
.
Excessive crankcase oil.
Drain oil until oil level is correct. See
Draining and Refilling the Oil
External oil leak(s).
Determine source of oil leak(s) and
repair as required.
Restricted crankcase vent tube.
Clean vent tube, verify that crankcase
oil level is correct.
Excessive oil pressure.
Contact a GMP ASD.
Worn, broken, or unseated oil control
rings.
Scored cylinder liners or pistons.
Worn valve guides or stems.
Faulty front and/or rear crankshaft oil seal.
Piston ring gaps not staggered.
Insufficient piston ring tension.
Piston rings sticking in ring grooves.
Piston ring grooves excessively worn.
Batteries will not charge
Loose or corroded connections.
Clean and tighten connections.
Sulfated or worn-out batteries.
Replace batteries. See
Stretched belt or defective belt tensioner.
Adjust belt tension or replace belts.
Entire electrical system does
not function
Faulty battery connection.
Clean and tighten connections.
Sulfated or worn-out batteries.
Replace batteries. See
Blown fuse.
Replace fuse.
Thermostat not functioning
Incorrect wiring.
Contact a GMP ASD.
Insufficient supply voltage.
Incorrect sensor operation.
Display shows fault code.
See the thermostat manual, or contact
a GMP ASD.
No heat
Burner malfunction.
See the burner manual, or contact a
GMP ASD.
Problem
Cause
Solution
