Installer’s Guide
INTEGRATED FURNACE CONTROL ERROR FLASH CODES
Flashing Slow | Normal - No call for Heat | |
Flashing Fast | Normal - Call for Heat | |
Continuous ON | Replace IFC | |
Continuous OFF | Check Power | |
2 Flashes | System Lockout (Retries or Recycles exceeded) | |
| Draft Pressure Error - Possible problems: | |
3 Flashes | a) Venting problem | |
b) Pressure switch problem | ||
| ||
| c) Inducer problem | |
4 Flashes | Open Temperature Limit Circuit | |
5 Flashes | Flame sensed when no flame should be present | |
6 Flashes | 115 volt AC power reversed, poor grounding or system voltage too low | |
7 Flashes | Gas valve circuit error | |
8 Flashes | Low flame sense signal | |
9 Flashes | Check Ignitor Circuit and Line "N" to 24VAC "Common" voltage (≤ 2 volts) | |
[possible grounding problem] | ||
|
37 |