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Code | Description | Check, repair/replace as necessary |
A8 | EMS coms error | check electrical connections |
b1 | Code plug not detected | Insert code plug correctly |
b2,b3,b4, b5,b6 |
Data error | software/PCB error |
b7 | Burner control error | software/PCB error |
C6 | Fan defect | check fan, lead and connector |
D5 | Condensate overflow | check condensate pump and leads. |
EA | Burner control lockout | check gas supply and igniter electrode |
E2 | Primary NTC defect | check NTC and lead. |
E9 | OH stat tripped | Check system pressure and pump |
F0 | Internal error | check electrical connector contacts. |
F1 | ROM check error | software/PCB error. |
F7 | Flame detected after appliance shut off | check electrode assembly, dry PCB |
FA | Flame detected after gas shut off | check gas valve and leads. |
Fd | Reset button pressed | press reset button again. |