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All brands · Refrigeration troubleshooting

Won't start cycle

What is going on

Possible causes and checks for: won't start cycle.

Likely causes

  • No power
  • Signal arm stuck up
  • Motor shorted/burned

Check in this order

  1. Check voltage
  2. Clear obstruction
  3. Check motor voltage/operation

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Source: General HVAC service practice — verify per model. Written in our own words; check the manual for your exact model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.