15
Error Item
Description and Troubleshooting
OUTLET SEN
Check the outlet water sensor and its wiring.
LIMIT SEN
Check the high limit sensor and its wiring.
INLET SEN
Check the inlet sensor and its wiring.
GAS PRESS
Check PIM™ wiring.
IGNITION
Reset control, push and release RESET button
LIMIT TRIP
Water heater temperature tripped the high limit.
FLAME
False flame detected. Shut off gas supply, recycle power.
ID CARD
Identity card, check ID card and wiring.
IGN CTRL
Internal control fault. Reset power, replace control.
DELTA T
Temperature difference between the inlet and outlet
exceeded the set point. Check water flow.
LOW 24VAC
Low 24 VAC power. Check power supply wiring and
transformer.
BLOW SPEED
Blower speed out of range. Check blower wiring and blower.
Table 2: Error Display
LED Error Code Listing
Active errors detected are indicated by LED lights on the PIM™.
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. Refer
to Table 4 for sensor resistance values
9 flashes
N/A
N/A
10 flashes
N/A
N/A
11 flashes
N/A
N/A
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 J8, pins 5 and 6 at the PIM™.
Table 3
: PIM™ LED Error Codes
Содержание 910500
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