MrCool Error Codes

11 MrCool codes. Jump to your appliance:

MrCool Mini-Split Codes11

• 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