Integrated Modules (New 2015) Series Error Code E21
Topics:
- Error E21
- Integrated Modules E21
- New Integrated displays E21
Cause:
- LED display internal error (user interface error reported 3 times in 40 seconds)
Troubleshooting:
Turn the home circuit breaker to the unit off for 30 seconds then back on again. Then retest the unit operation.
Answer:
If these steps do not resolve the issue, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.
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