F6
Comfortmaker Inverter Module Overcurrent / Drive Fault

Display shows F6 and compressor speed or operation is limited (inverter models)

Advertisements

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Advertisements

Possible Causes

Shorted compressor windings, Faulty inverter power module, Loose high-voltage connections, Power quality issues

How to Fix / Troubleshooting

Safety: This involves high-voltage electronics. Turn off power at the disconnect and do not open sealed inverter modules.

Steps (visual only):

  • Inspect wiring: Check for loose or burned connections at the inverter board and compressor terminals.
  • Check for signs of damage: Look for burnt components or odor from the inverter module.
  • Power reset: Leave power off for 10 minutes, then restore and test.

Technician required: F6 typically requires professional diagnosis with specialized tools and may involve replacing the inverter board or compressor.

Advertisements

Repair Difficulty

Professional Required 5/5

Required Part

Inverter Control Module
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements