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Walter KimSep 8, 2025
How to resolve low temperature lockout on Lennox Air Conditioner?
- SSandra CruzSep 8, 2025
To resolve a low-temperature lockout on your Lennox Air Conditioner's outdoor unit, increase the ambient temperature around the unit.
To Next PageTo Next PageHow to resolve low temperature lockout on Lennox Air Conditioner?
To resolve a low-temperature lockout on your Lennox Air Conditioner's outdoor unit, increase the ambient temperature around the unit.
How to troubleshoot IPM error on Lennox MWMA024S4-*P inverter module?
To troubleshoot an IPM error on your Lennox Air Conditioner's inverter module, examine the inverter module and replace it if necessary.
What to do if my Lennox MWMA024S4-*P shows an indoor return air temperature sensor error?
If your Lennox Air Conditioner indicates an indoor return air temperature sensor error, examine the sensor and its connections.
How to fix indoor coil temperature sensor error in Lennox Air Conditioner?
To address an indoor coil temperature sensor error in your Lennox Air Conditioner, check temperature sensor functionality.
How to troubleshoot outdoor ambient temperature sensor error on Lennox Air Conditioner?
To troubleshoot an outdoor ambient temperature sensor error on your Lennox Air Conditioner, test the sensor for accuracy and replace it if necessary.
What to do if my Lennox MWMA024S4-*P has an outdoor coil temperature sensor error?
If your Lennox Air Conditioner shows an outdoor coil temperature sensor error, inspect and verify the sensor's condition.
General| EER Rating | 9.5 |
|---|---|
| Refrigerant | R-410A |
| Voltage | 208/230V |
| Phase | 1 |
| Cooling Capacity | 24, 000 BTU/h |
| Power Supply | 208/230V, 1 Phase, 60 Hz |
| Heating Capacity | 24000 BTU/h |
Explains how to set unique addresses for indoor units connected to a centralized controller.
Provides instructions for calculating and adding refrigerant for single-zone systems.
Details refrigerant addition for multi-zone systems based on pipe length and number of ports.
Troubleshooting steps for E0 error code indicating outdoor unit EEPROM malfunction.
Troubleshooting steps for E2 error code indicating communication failure between units.
Troubleshooting steps for E3 error code indicating communication issue between main control and IPM.
Troubleshooting for E4 error code related to temperature sensor failures (outdoor coil, ambient, compressor, indoor coil).
Troubleshooting for E5 error code indicating high or low voltage protection.
Troubleshooting for E6 error code indicating PFC module protection.
Troubleshooting steps for E8 error code related to outdoor DC fan motor speed.
Troubleshooting for F1-F6 error codes indicating indoor unit coil temperature sensor failures.
Troubleshooting for P1 error code indicating a high pressure switch fault.
Troubleshooting for P2 error code indicating a low pressure switch fault.
Troubleshooting for P3 error code indicating outdoor compressor current overload.
Troubleshooting for P4 error code indicating compressor discharge temperature sensor issues.
Troubleshooting for P5 error code indicating high temperature at the outdoor coil.
Troubleshooting for P6 error code indicating IPM module or IGBT over current protection.
Troubleshooting steps for E1 error code indicating communication failure between indoor and outdoor units.
Troubleshooting for E3 error code related to indoor fan speed errors.
Troubleshooting for E4 error code indicating indoor return air temperature sensor failure.
Troubleshooting for E5 error code indicating an indoor coil temperature sensor fault.
Troubleshooting steps for EC error code indicating low refrigerant condition.
Troubleshooting for EE error code indicating water-level alarm malfunction in M22A, M33A/B, MMDA units.
Troubleshooting for F5 error code related to outdoor unit fan speed errors.
Troubleshooting steps for F6 error code indicating a faulty indoor unit evaporator outlet coil temperature sensor.
Troubleshooting for P0 error code indicating IPM module or IGBT over current protection.
Troubleshooting for P1 error code indicating high or low voltage protection.
Troubleshooting steps for P2 error code indicating compressor top high temperature protection.
Troubleshooting for P3 error code indicating outdoor unit low temperature lockout.
Troubleshooting steps for P4 error code indicating compressor drive error.
Troubleshooting for P6 error code indicating compressor high or low pressure switch is open.