What to do if my Lennox MWMA024S4-*P shows an indoor return air temperature sensor error?
- JJonathan JenkinsSep 12, 2025
If your Lennox Air Conditioner indicates an indoor return air temperature sensor error, examine the sensor and its connections.
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.
What to do if my Lennox MWMA024S4-*P has low refrigerant?
If your Lennox Air Conditioner has low refrigerant, add refrigerant according to system specifications.
What to do if my Lennox MWMA024S4-*P has high or low voltage protection error?
If your Lennox Air Conditioner displays a high or low voltage protection error, verify the voltage supply levels and correct if required.
How to fix communication error between indoor and outdoor unit in Lennox MWMA024S4-*P Air Conditioner?
To address a communication error between the indoor and outdoor units of your Lennox Air Conditioner, check the communication wiring and connections.
What to do if my Lennox MWMA024S4-*P Air Conditioner has a high water level alarm?
If your Lennox Air Conditioner is showing a high water level alarm, clear any blockage from the drain system.
How to reset outdoor current overload on Lennox MWMA024S4-*P?
If your Lennox Air Conditioner senses an outdoor current overload, reset the overload protection if it has tripped.
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.
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 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 for compressor pressure switch issues in Lennox MWMA024S4-*P?
If your Lennox Air Conditioner has a compressor high-pressure or low-pressure switch open, investigate system pressures and correct abnormalities.
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.