Error Code IRH
Ice room heater is broken or disconnected
Moderate
Address soon - your appliance may not work properly
Also displayed as: IRH LED blinks
What This Means
Heater element shorted; Thermostat failed; Wire connection loose; Bimetal open circuit
What actually causes this:
Heater element burned out or loose wire connection
First Thing to Check
Unplug and check if CN20 connector is fully seated
Parts Involved
How to Fix
- 1
1. Disconnect MAIN PCB CN20 from board
- 2
2. Measure resistance between CN20-19 and CN20-23
- 3
3. Should read 135 ohms ±7%
- 4
4. 0 ohm indicates short, infinity indicates open
Other Error Codes for RF22R7351EU
Freezer temperature sensor is broken or disconnected
Outside temperature sensor is not working
Ice storage room temperature sensor is not working
Flex Zone damper heater circuit is broken
Refrigerator temperature sensor is broken or disconnected
Flex-Zone temperature sensor is broken or disconnected
Freezer fan motor is not running
Control board IO expander chip is not working