Fujitsu 24,000 BTU 19 SEER Wall-Mount Mini Split with Low Ambient Cooling 35 Error Fix: Manual Auto Push Button Error

Error code 35 on the Fujitsu 24,000 BTU 19 SEER Wall-Mount Mini Split with Low Ambient Cooling means: Manual Auto Push Button Error. The auto/manual push button on the indoor unit PCB has failed or is stuck — this button is used for test operation and manual override; if the button is physically stuck, the unit may operate erratically or not at all; the indoor PCB may need replacement if the button is soldered to the board; some technicians can clean the contact with electronics cleaner if debris is causing the stick

The most successful fix is "Replace Indoor Unit PCB with Auto/Manual Push Button" (hard difficulty, ~90 minutes). This fix costs nothing. 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 ("Replace Indoor Unit PCB with Auto/Manual Push Button") is rated hard difficulty and takes about 90 minutes. Tools needed: T20 Torx screwdriver, Multimeter, ESD wrist strap.

DIY cost: $0. Professional repair typically costs $300-$400. Many homeowners save money by trying the top-ranked community fix first.

The Fujitsu 24,000 BTU 19 SEER Wall-Mount Mini Split with Low Ambient Cooling 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 35 also appears on 8 other Fujitsu models: 12,000 BTU 18 SEER Slim Duct Mini Split, 8 in Height, Quiet Operation, 12,000 BTU 25 SEER Halcyon Wall-Mount Mini Split with WiFi Control, 15,000 BTU 25 SEER Halcyon Wall-Mount Mini Split with Energy Saving Mode, 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.