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Every common Gree fault code with what it means, the likely cause, and how CANRO Heating & Cooling fixes it — servicing Gree ductless mini-splits and heat pumps across Greater Vancouver since 1999. Licensed Technical Safety BC contractor (gas LGA0043870 · boiler LBP0046450).
Gree mini-splits show E / F / H / U codes on the indoor display. Gree builds many rebranded units, so these codes also apply to several other mini-split labels.
Important: One power-cycle reset is generally safe for a transient fault. If the same code returns within minutes, stop resetting — lockouts exist to protect the heat exchanger, ignition system and gas-valve safety circuit. Note the exact code and call CANRO at (604) 359-1081. We carry common Gree parts on every truck, so most code-triggered faults are fixed in one visit. Smell gas? Leave and call the gas utility emergency line first.
What it means: System high-side pressure too high.
Common causes: Dirty outdoor coil, overcharge, blocked airflow, fan fault (cooling).
What to do: Clean coil; if it returns, call.
Reset guidance: no
What it means: Indoor coil icing in cooling.
Common causes: Low airflow, dirty filter, low charge.
What to do: Clean filter; if it returns, call (possible low charge).
Reset guidance: no
What it means: Low-side pressure too low.
Common causes: Refrigerant leak/undercharge, restricted flow.
What to do: Leak search + recharge (licensed).
Reset guidance: no
What it means: Compressor discharge temperature too high.
Common causes: Low charge, restricted flow, overload.
What to do: Call — charge/flow check.
Reset guidance: no
What it means: Outdoor electrical protection trip.
Common causes: Voltage, overload, compressor, capacitor.
What to do: Service.
Reset guidance: no
What it means: Indoor↔outdoor communication lost.
Common causes: Interconnect wiring, board, voltage.
What to do: Service.
Reset guidance: no
What it means: Room temperature sensor fault.
Common causes: Failed sensor.
What to do: Service.
Reset guidance: no
What it means: Indoor coil sensor fault.
Common causes: Failed sensor.
What to do: Service.
Reset guidance: no
What it means: Outdoor air sensor fault.
Common causes: Failed sensor.
What to do: Service.
Reset guidance: no
What it means: Outdoor coil sensor fault.
Common causes: Failed sensor.
What to do: Service.
Reset guidance: no
What it means: Compressor discharge sensor fault.
Common causes: Failed sensor.
What to do: Service.
Reset guidance: no
What it means: Normal defrost cycle in heating mode.
Common causes: Normal — heat pauses briefly.
What to do: None — normal.
Reset guidance: n/a
What it means: Compressor overload protector tripped.
Common causes: Overheat, charge, voltage, compressor.
What to do: Call.
Reset guidance: no
What it means: Inverter power-module protection.
Common causes: Inverter board, compressor, heat sink.
What to do: Specialized service.
Reset guidance: no
What it means: Indoor fan motor not reporting.
Common causes: Motor, board.
What to do: Service.
Reset guidance: no
What it means: PG-motor zero-crossing detection fault.
Common causes: Motor or board.
What to do: Service.
Reset guidance: no
CANRO offers same-day and after-hours emergency repair across Greater Vancouver — no-heat, no-cooling and no-hot-water calls are prioritized. Note your code and call now.
📞 Call (604) 359-1081 — emergency Gree repairOur licensed Red Seal technicians diagnose and repair Gree ductless mini-splits and heat pumps in every Metro Vancouver city — Vancouver, Burnaby, Richmond, Surrey, Coquitlam, North & West Vancouver, New Westminster, Delta, Langley, Port Moody, Port Coquitlam, White Rock, Pitt Meadows and Maple Ridge — with honest, up-front pricing and a 4.9-star rating from 85+ Google reviews.
This Gree error-code guide is maintained by the CANRO Heating & Cooling team from 25+ years of HVAC install, service and repair across Greater Vancouver. Flash-count and code behaviour described match current Gree model manuals; exact codes can vary by model and series, so confirm against your unit’s manual or tell us the code when you call. Last reviewed June 2026.
Each Gree code points to a specific fault — ignition, pressure/draft, high-limit, flame-sensing, blower or communication. The guide above lists each one with its cause and fix. Tell us the exact code when you call (604) 359-1081 and we usually know the likely cause before arriving.
One power-cycle reset is fine for a one-off fault. If the same code returns within minutes, stop — repeated resets stress the ignition, gas-valve and heat-exchanger safety circuits. Note the code and call.
Yes — CANRO offers same-day and after-hours emergency response across Greater Vancouver, and we carry common Gree parts so most code faults are fixed in one visit. Call (604) 359-1081.
Yes — Technical Safety BC gas contractor LGA0043870 and boiler licence LBP0046450, Red Seal technicians, fully insured, serving Greater Vancouver since 1999.
“Canro does an amazing job! Super professional and skilled with everything—boilers, furnaces, and AC. Always a pleasure working with them!”
“Five stars for Canro. We needed a replacement of a 30-year-old boiler. A new high-efficiency unit was installed—clean, professional work.”
“I can’t speak highly enough about George, who was recommended for a boiler service call for my parents’ home. George is excellent.”
25+ years keeping Metro Vancouver homes comfortable. Honest advice, upfront pricing, work that lasts.