IC-27 Integrated Columns Series Error Code 21
- What is error code 21 on an IC-27?
- IC-27 displays 21
- Defrost overheat
- Turn the home circuit breaker to the unit off for 30 seconds then back on again.
- Retest the unit operation. If the unit operates without any further errors, no action is required.
- If these troubleshooting steps do not resolve the issue, service is necessary to expertly diagnose and repair the product. Contact Factory Certified Service to schedule an appointment for repair.
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