HVACopediaCarrier · Heat pump
67 Stator heater fault
What the control is telling you
Amber STATUS light flashes 67. Stator (crankcase) heating is called but the inverter does not detect it. Type: Event; reset: 6 minutes.
Applies to: Carrier Infinity 18VS variable speed heat pump 25VNA8 (AOC control + inverter)
Likely causes
- Compressor winding problem or leads miswired at U, V, W
- Damaged inverter (often with codes 88 or 95)
Test and repair steps
- Measure compressor winding resistance between terminals and check U/V/W lead order.
- Replace the inverter if the windings and wiring are good.
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Source: Carrier 25VNA8 / 24VNA9 Service Manual, Table 6 Fault Code Actions, p.21. Summarized in our own words; check the original manual for your model.
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