Lennox M0STAT64Q-2 User Manual

16
Troubleshooting Fault Codes
Programmable
Wired
Controller
Indoor Unit Error Codes Description
E1 Communication error between indoor unit and outdoor units
E2 Indoor room temperature sensor error (T1)
E3 Indoor coil temperature sensor error (T2)
E4 Indoor coil outlet temperature sensor error (T2B)
E5 Outdoor ambient temperature sensor error (T4)
E5 Outdoor coil temperature sensor error (T3)
E5 Compressor discharge temperature sensor error (T5)
E7 Indoor unit EEPROM error
E8 Indoor fan speed error (DC motor)
EA Outdoor current overload protection
Ed Outdoor unit EEPROM error
Ed Outdoor unit fan speed error (DC fan motor)
EE High water level alarm
EF Refrigerant leakage detection (Cooling mode only)
EF Outdoor IGBT temperature sensor error
F0 Communication error between wired controller and indoor unit
F1 The cassette panel is abnormal

Lennox M0STAT64Q-2 Specifications

General

Brand	Lennox
Model	M0STAT64Q-2
Category	Controller
Language	English