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Table 9: LOCKOUT CODE EXPLANATION:
The following list provides error code explanations to help people in the field respond more effectively to issues that arise.
NO
FAULT
1
MAIN MCU INPUT DIAG FAULT
2
LOCAL RESET
3
CAB_FAULT
4
SUPERVISORY MCU INPUT DIAG
FAULT
5
RESET LIMIT EXCEEDED
6
NOT USED
7
SPI COMMUNICATION FAULT
8
REMOTE RESET
9
NOT USED
10
MAIN PROGRAM SEQ FAULT
11
RAM TEST
12
SUPV PROGRAM SEQ FAULT
13
INPUT READING FAULT
14
TIMER2 FAULT
15
CPU TEST FAIL
16
FLAME LOSS PTFI
17
CHECK WIRING FAULT
18
SAFETY RELAY FAULT
19
FUEL VALVE OPEN FAULT
20
FLAME LOSS MTFI
21
SAFETY RELAY WELDING FAULT
22
SUPV SELF-TEST
23
SUPV CS ROM FAIL
24
FLAME LOSS AUTO
25
SUPV RAM CHECK FAIL
26
SUPV INTERNAL ERROR
27
FLAME DETECTED SHUTDOWN MODE
28
NOT USED
29
SUPV TEMP RANGE FAULT
30
ROM FAILURE
31
NOT USED
32
CHECK MODE TIMEOUT
33
STANDBY FALSE FLAME
34
NOT USED
35
SW WDT RESET
36
SW RESET
30
Initial power diagnostic failure. Make sure inputs and outputs are in the proper state at power on.
User initiated manual reset or faulty reset switch.
Air Prove [terminal 14] signal did not prove at the end of ignition safety time or loss of Air Prove signal during burner opera-
tion
"System detected voltage on terminal 16, 17, 18, or 19 at the wrong time or voltage is not present when needed. Check wir-
ing and make sure the system is operating on a single line phase (50/60Hz)"
Remote reset button pressed more than 5 times in 15 minutes. User should address lockout condition. Reset functionality
will be re-established in a few minutes.
Reset the system to continue normal operation. Contact distributor/factory if error persists.
User pressed remote reset or erratic/bouncy remote switch.
Replace control. Contact distributor/factory.
Replace control. Contact distributor/factory.
Replace control. Contact distributor/factory.
Please check wiring and make sure the system is operating on a single line phase (50/60Hz)
Replace control. Contact distributor/factory.
Replace control. Contact distributor/factory.
Check scanner sighting and confirm that the pilot is established during PTFI. Check fuel delivery system.
"System detected voltage on terminal 16, 17, 18, or 19 at the wrong time or voltage is not present when needed. Check wir-
ing and make sure the system is operating on a single line phase (50/60Hz)"
Replace control. Contact distributor/factory.
Check wiring for POC. Fuel valves may not be fully closed.
Check scanner sighting and confirm that the main flame is established during MTFI. Check fuel delivery system.
Replace control. Contact distributor/factory.
Replace control. Contact distributor/factory.
Replace control. Contact distributor/factory.
Check wiring. Check scanner. Check fuel delivery system
Replace control. Contact distributor/factory.
Replace control. Contact distributor/factory.
False flame detected after the permissible afterburn period. Check boiler and fuel delivery system.
Ambient temperature below -40oC or more than 70oC
Replace control. Contact distributor/factory.
Check mode expiration window (30 minutes) elapsed.
False flame detected during Standby state. Check wiring. Check scanner.
Internal software reset by Microcontroller. Contact distributor/factory if error persists.
Internal software reset by Microcontroller. Contact distributor/factory if error persists.
POSSIBLE REMEDY
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