Lennox M0STAT64Q-1 User Manual

15
Troubleshooting Fault Codes
Indoor Unit
Display
M0STAT64Q
Display
Error Code Description
N/A F0 Communication error between wired controller and indoor unit
N/A F1 The cassette faceplate is abnormal
E0 E7 Indoor unit EEPROM error
E1 E1 Communication error between indoor unit and outdoor units
E3 E8 Indoor fan speed error
E4 E2 Indoor Return air temperature sensor error
E5 E3 Indoor coil temperature sensor error
EC EF Low refrigerant
EE EE High water level alarm
F0 EA Outdoor current overload sensed
F1 E5 Outdoor ambient temperature sensor error
F2 E5 Outdoor coil temperature sensor error
F3 E5 Compressor discharge temperature sensor error
F4 Ed Outdoor unit EEPROM error
F5 Ed Outdoor unit fan speed error
F6 E4 Indoor coil outlet temperature sensor error
P0 Eb Inverter module IPM error
P1 N/A High or Low voltage protection
P3 N/A Outdoor unit low temperature lockout
P4 N/A Compressor drive error
P6 N/A High pressure/ low pressure switch open
P7 EF Outdoor IGBT temperature sensor error

Lennox M0STAT64Q-1 Specifications

General

Brand	Lennox
Model	M0STAT64Q-1
Category	Controller
Language	English