Gentherm 5220 - 10 Troubleshooting

28142 Rev 15 TROUBLESHOOTING
Gentherm Global Power Technologies Page 61
10 TROUBLESHOOTING
Problem Probable Cause Possible Solution Lookup Section
Burner does
not ignite
Air in fuel line Purge fuel lines of air Installation
Supply gas pressure
too low
Increase gas supply
pressure to the TEG
Installation
Fuel filter dirty
Drain the regulator
sediment
Maintenance
Replace the fuel filter Maintenance
Fuel pressure
adjustment incorrect
Adjust the TEG fuel
manifold pressure
Adjustment
Fuel orifice plugged Replace the fuel orifice Maintenance
Fuel orifice size
incorrect
Replace the fuel orifice Maintenance
TCO has opened
Check TCO continuity.
Replace if open.
Maintenance
Air filter dirty Clean the air filter Maintenance
Air-
shutter adjustment
incorrect
Open the Air Shutter
slightly
Adjustment
SI system faulty Maintain the SI system Maintenance
Burner will
ignite but will
not continue to
burn
Supply gas pressure
too low
Increase gas supply
pressure to the TEG
Installation
Fuel filter dirty
Drain the regulator
sediment bowl.
Maintenance
Replace the fuel filter Maintenance
Fuel pressure
adjustment incorrect
Adjust the TEG fuel
manifold pressure
Adjustment
Fuel orifice plugged Replace the fuel orifice Maintenance
Fuel orifice size
incorrect
Replace the orifice with
one of the correct sizes
Maintenance
Safety SOV valve
malfunctioning
Check the safety SOV
valve
Troubleshooting
Air filter dirty Clean the air filter Troubleshooting
Air shutter adjustment
incorrect
Open the Air Shutter
slightly
Adjustment