All installations and services must be performed by qualified service personnel.
Yes
Does system run until thermostat is satisfied?
Yes
No |
| No |
|
Is LED light on ignition |
| ||
| control module flashing? |
|
|
|
|
| |
|
|
|
|
Yes
If LED Light Flashes: |
| |
1 | Flash, then pause | System lockout |
2 | Flashes, then pause | Pressure switch stuck closed |
3 | Flashes, then pause | Pressure switch stuck open |
4 | Flashes, then pause | Open high limit, aux. limit, or |
6 | Flashes, then pause | 115 Volt AC power reversed |
7 | Flashes, then pause | Low flame sense signal |
8 | Flashes, then pause | Check ignitor or improper grounding |
Continuous flashing | Flame has been sensed when no flame | |
| (no pause) | should be present (no call for heat) |
Check all wiring for loose connections.
Does burner shut off | No |
when thermostat is |
|
| |
satisfied? |
|
|
|
Yes |
Does the circulating air | No |
blower turn off after | |
thermostat is satisfied |
|
within 180 seconds? |
|
Yes
Troubleshooting Complete.
Check for short in wire to
thermostat. Replace
thermostat if necessary.
Check DIP switch settings on ignition control module against those on connection diagram. Reset if necessary.
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