
All installations and services must be performed by qualified service personnel.
Yes
|
|
| No |
|
|
| No |
|
|
Does system run until |
| Has the high limit thermostat |
| Check all wiring for | |||||
|
| or auxiliary high limit |
|
|
| ||||
thermostat is satisfied? |
|
|
|
|
| loose connections. | |||
|
| thermostat activated? |
|
| |||||
|
|
|
|
|
|
|
|
|
| Yes |
| |
|
| Check for reduced airflow through |
| |
|
| the furnace. This may be caused |
| |
Yes |
| by an excessively restrictive duct |
| |
| system, an inadequate amount of |
| ||
|
| supply air,especially for furnaces |
| |
|
| installed in closets, or extremely |
| |
|
| dirty air filters. Also, check and |
| |
|
| confirm heat input rate to unit is |
| |
|
| within specifications. |
| |
Does burner shut off | No | Check for short in wire |
| |
when thermostat is |
| to thermostat. Replace |
| |
satisfied? |
| thermostat, if necessary. |
| |
Yes |
|
|
| |
Does the circulating air |
| Check fan timer settings |
| |
No | against those on connection | Yes | ||
blower turn off after | diagram. Is fan selector | |||
| Replace fan timer. | |||
thermostat is satisfied |
| switch set on "manual". | ||
|
| |||
within 4 minutes? |
| Reset if necessary. Does |
| |
|
| fan still fail to turn off? |
| |
Yes |
|
|
| |
Troubleshooting Complete. |
|
|
|
39