Gree error code H1
Defrost cycle active (status — heat pump removing frost from outdoor coil). NOT a fault. Houghton displays 'dF' for the same condition.
What to check, and in what order, is in the app. The flow Gree fault codes (E0/E7/EE/EP/U1-U8/PJ/L7/L9 + status) walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- Gree Slimline RV (Recreational Vehicle / Roof Top) A/C Service Manual (GRH085DA, R410A) -- 9.1 Error Code + 9.2 TroubleshootingGree
Related codes
- F1Indoor ambient sensor open or short circuit.
- F2Indoor coil/evaporator sensor open or short circuit.
- F3Outdoor ambient sensor open or short circuit.
- F4Outdoor coil/condenser sensor open or short. On some units…
- H3Compressor overload (thermal cutout tripped).
- PLSupply voltage below the controller's limit. Per the manual: 'If…
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