MrCool Error Codes

11 MrCool codes across mini-split.

MrCool Mini-Split Codes

E1 E1 — Indoor/Outdoor Communication Error E2 E2 — Zero-Crossing Detection Error E3 E3 — Indoor Fan Speed Out of Control E4 E4 — Indoor Room Sensor (T1) Fault E5 E5 — Indoor Coil Sensor (T2) Fault F0 F0 — Overload / Current Protection F1 F1 — Outdoor Ambient Sensor (T4) Fault F2 F2 — Outdoor Coil Sensor (T3) Fault F3 F3 — Compressor Discharge Sensor (TP) Fault F4 F4 — Outdoor EEPROM / Memory Error F5 F5 — Outdoor Fan Speed Out of Control