Product Manual

Form #43471010
Mar 09 -31-
Call for heat ends and the heater shuts off?
Yes
No
Troubleshooting ends.
Thermostat is not working properly. Replace it if necessary. Is the green light still on?
Yes
No
Turn off gas & electricity immediately. Replace the gas valve. Remove valve lead at ignition module. Does valve close?
No
Yes
Recheck thermostat and wiring.
Troubleshooting continued from the previous page.
Troubleshooting continued from the previous page.
Check the spark gap. Is it 3/16?
No
Yes
Adjust the spark gap to 3/16.
Has all the air been purged from the gas supply lines?
No
Yes
Purge the gas supply line.
Check the inlet pressure to the gas valve. Is it between minimum and maximum for the gas type?
No
Yes
Adjust supply gas pressure. Restart troubleshooting.
Check the manifold gas pressure during startup. Is it zero inches?
Yes
No
Replace gas valve.
After an initial step opening, is the manifold gas pressure correct?
No
Yes
Adjust manifold gas pressure. Restart troubleshooting.
Call factory for assistance.
Check orifice and holder for blockage (i.e. spider web). Is there any blockage?
Yes
No
Clear blockage.