Designer Series Control Faults | High Voltage System | Bad Micro Communication | Error 90 H 83
- What is error code 90 H 83 on a Designer model?
- Designer unit flashing H in the display
- 90 H 83 Error code flashing
- Control faults high-voltage system bad micro communication
- HV Micro bad (CCM) communication
- Communication issue with main board
- 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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