31
®
37
INPUTS WAITING TIME FAULT
System was unable to satisfy combustion air switch test and/or proof of closure during a burner sequence. Check wiring.
Check air-flow switch.
38
SUPV SW WDT RESET
Internal software reset by Microcontroller. Contact distributor/factory if error persists.
39
SUPV SW RESET
Internal software reset by Microcontroller. Contact distributor/factory if error persists.
40
HARDWARE RESET
Replace control. Contact distributor/factory if error persists.
41
SUPV HARDWARE RESET
Replace control. Contact distributor/factory if error persists.
42
MAIN LOOP STUCK FAULT
Replace control. Contact distributor/factory.
43
SUPV LOOP STUCK FAULT
Replace control. Contact distributor/factory.
44
SUPV TIMER2 FAULT
Replace control. Contact distributor/factory.
45
MAIN AC PEAK MISSING FAULT
Check Mains voltage. Contact distributor/factory.
46
SUPV AC PEAK MISSING FAULT
Check Mains voltage. Contact distributor/factory.
47
UV PULSE INPUT MISSMATCH
Replace control. Contact distributor/factory.
48
SUPERVISORY MCU ADC FAULT
Replace control. Contact distributor/factory.
49
MAIN MCU ADC FAULT
Replace control. Contact distributor/factory.
50
IGNITION FEEDBACK FAULT
System detected voltage on terminal 16 at the wrong time or voltage is not present when needed. Check wiring and make
sure grounding is adequate.
51
PILOT_FEEDBACK_FAULT
System detected voltage on terminal 17 at the wrong time or voltage is not present when needed. Check wiring and make
sure grounding is adequate.
52
MAINP_FEEDBACK_FAULT
System detected voltage on terminal 19 at the wrong time or voltage is not present when needed. Check wiring and make
sure grounding is adequate.
53
FEEDBACK_WAITING_TIME_EXPIRE
Loss of actuator feedback for more than 10 minutes. Check wiring. Check modulation equipment.
54
MAIND_FEEDBACK_FAULT
System detected voltage on terminal 18 at the wrong time or voltage is not present when needed. Check wiring and make
sure grounding is adequate.
55
INTERRUPT DIAG FAULT
Replace control. Contact distributor/factory.
56
FALSE_FLAME_ERROR
False flame detected before Ignition. Check wiring. Check scanner. Make sure grounding is adequate.
57
POWERON_FALSE_FLAME_ERROR
False flame detected at power on. Check wiring. Check scanner. Make sure grounding is adequate.
58
OPEN_FEEDBACK_READING_FAULT
System detected voltage on terminal 8 at the wrong time or voltage is not present when needed. Check wiring and make
sure grounding is adequate.
59
ADJACENT PIN SHORT FAULT
Replace control. Contact distributor/factory.
60
LOCAL RESET DEBOUNCE FAULT
Local reset button held for more than 10 seconds or reset button is stuck.
61
POC OPEN FAULT
Fuel valve is open at the wrong time OR check wiring
62
STRONG UV FLAME FAULT
Scanner too close to flame. Add distance between scanner and flame OR use orifice to reduce field of view.
63
SPI CRC FAULT
Replace control. Contact distributor/factory
NO
FAULT
POSSIBLE REMEDY