Fujitsu 12,000 BTU 25 SEER Halcyon Wall-Mount Mini Split with WiFi Control 87 Error Fix: Outdoor Unit Power Supply Failure

Error code 87 on the Fujitsu 12,000 BTU 25 SEER Halcyon Wall-Mount Mini Split with WiFi Control means: Outdoor Unit Power Supply Failure. Power to the outdoor unit has been interrupted or is abnormal — check the outdoor unit circuit breaker, verify voltage at the outdoor disconnect (should be 208-230V single phase), inspect the power wiring for damage, and check the contactor (if equipped); power interruptions during operation can also damage the outdoor PCB; if power supply is confirmed good, the outdoor PCB power supply section may have failed

The most successful fix is "Test and Replace Outdoor Unit Contactor or PCB Power Supply Section" (hard difficulty, ~90 minutes). Estimated DIY cost: $10-$20. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Test and Replace Outdoor Unit Contactor or PCB Power Supply Section") is rated hard difficulty and takes about 90 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Insulated gloves, Needle nose pliers.

DIY cost: $10-$20. Professional repair typically costs $120-$250. Many homeowners save money by trying the top-ranked community fix first.

The Fujitsu 12,000 BTU 25 SEER Halcyon Wall-Mount Mini Split with WiFi Control has 8 other known error codes, including: 01 (Indoor Unit PCB Error), 02 (Communication Error — Indoor to Outdoor Unit), 03 (Communication Error — Remote Controller to Indoor Unit), 04 (Outdoor Unit PCB Error), 05 (Outdoor DC Fan Motor Open/Short Circuit), and 3 more.

Error code 87 also appears on 8 other Fujitsu models: 12,000 BTU 18 SEER Slim Duct Mini Split, 8 in Height, Quiet Operation, 15,000 BTU 25 SEER Halcyon Wall-Mount Mini Split with Energy Saving Mode, 24,000 BTU 19 SEER Wall-Mount Mini Split with Low Ambient Cooling, 36,000 BTU 18 SEER Multi-Zone Heat Pump Outdoor Unit, 48,000 BTU Multi-Zone Heat Pump Outdoor Unit, 9,000 BTU 33 SEER Halcyon Wall-Mount Mini Split, WiFi Ready, and 2 more. The fix may vary by model, so check each model's specific page for tailored repair steps.