Table of Contents
Advertisement
INTEGRATED FURNACE CONTROL ERROR FLASH CODES
Flashing Slow ---
Flashing Fast ---
Continuous ON ---
Continuous OFF ---
2 Flashes ---
3 Flashes ---
4 Flashes ---
5 Flashes ---
6 Flashes ---
7 Flashes ---
8 Flashes ---
9 Flashes ---
18-CD19D5-25
Normal - No call for Heat
Normal - Call for Heat
Replace IFC
Check Power
System Lockout (Retries or Recycles exceeded)
Draft Pressure Error - Possible problems:
a) Venting problem
b) Pressure switch problem
c) Inducer problem
Open Temperature Limit Circuit
Flame sensed when no flame should be present
115 volt AC power reversed, poor grounding or system voltage too low
Gas valve circuit error
Low flame sense signal
Check Ignitor Circuit and Line "N" to 24VAC "Common" voltage (≤ 2 volts)
[possible grounding problem]
Installer's Guide
39
Hide quick links:
Advertisement
Table of Contents
