Question about Fujitsu 15RLS2 Halcyon Wall Heat Pump Air Conditioner 21.5 SEER - 15,000 BTU 1.5 Ton
Try cutting power to the indoor and outdoor units for a couple of minutes. Restore power and see if the error returns. The A1 error for this line of units indicates high compressor discharge temperature, which translates to overheating outdoor unit.
If this error code remains after a hard power reset, it's time to pick up the phone. Either you have a refrigerant leak which has resulted in a loss of freon, or a blockage in the refrigerant plumbing that is backing up pressure in the system. Both conditions will require a major repair by an authorized service tech to get your heat pump up and running again.
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Posted on Jan 09, 2015
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