57
LED Error Code Listing
Active errors detected are indicated by LED lights on the PIM.
Table Y: PIM LED Error Codes
LED Code
Error Mode
Recommended Troubleshooting
Off
Normal Operation
Red LED
steady ON,
Green Power
LED OFF
ID Card Fault
Check that the proper ID card is securely connected. Perform a
power and system restart.
Steady ON
Internal Control Failure Perform a power and system reset. If fault remains, replace PIM.
1 flash
N/A
N/A
2 flashes
False Flame Error
Check for proper gas valve closure. Clean burner and electrodes.
3 flashes
Ignition Lockout Fault
Check the gas supply. See table for more information.
4 flashes
N/A
N/A
5 flashes
Low Voltage Fault
Check the 24 VAC input voltage. The voltage must be above 18.0
VAC.
6 flashes
N/A
N/A
7 flashes
Hi-Limit Fault
Check for proper water flow. Check hi-limit and outlet sensor.
8 flashes
Sensor Fault
See VERSA for fault identification. Check sensor wiring.
9 flashes
N/A
N/A
10 flashes
N/A
N/A
11 flashes
Blower Speed Fault
Verify tachometer signal and connection on J5.
12 flashes
N/A
N/A
13 flashes
Hi-Temperature Delta
Fault
Check pump operation. Confirm proper water flow across heat
exchanger.
14 flashes
Ft-Bus
Communications Fault
Verify VERSA is connected and operating. Check the cable between
the VERSA and PIM.
15 flashes
Safety Circuit Open
Confirm all safeties are functioning normally. Check continuity at the
PIM at J8 plug, pins 5 and 6.
Содержание 88AR-398A
Страница 18: ...18 Fig 13 MODE 1 Single Boiler Primary Secondary Piping...
Страница 19: ...19 Fig 14 MODE 2 Single Boiler Primary Secondary Piping with Indirect DHW on System Loop...
Страница 20: ...20 Fig 15 MODE 3 Single Boiler Primary Secondary Piping with Indirect DHW on Boiler Loop...
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