To Next PageTo Next PageWhat to do if my Lennox Air Conditioner 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 MWMA009S4-*L Air Conditioner has low refrigerant?
If your Lennox Air Conditioner has low refrigerant, add refrigerant according to system specifications.
What to do if my Lennox Air Conditioner 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 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 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 MWMA009S4-*L?
If your Lennox Air Conditioner senses an outdoor current overload, reset the overload protection if it has tripped.
What to do if my Lennox MWMA009S4-*L 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 MWMA009S4-*L 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 MWMA009S4-*L?
If your Lennox Air Conditioner has a compressor high-pressure or low-pressure switch open, investigate system pressures and correct abnormalities.
General| Brand | Lennox |
|---|---|
| Model | MWMA009S4-*L |
| Category | Air Conditioner |
| Language | English |
Provides technical specifications for MPA single-zone outdoor units from 0.75 to 1.5 tons.
Details technical specifications for MPA single-zone outdoor units from 2.0 to 4.0 tons.
Lists technical specifications for MPB single-zone outdoor units from 0.75 to 1.5 tons.
Provides technical specifications for MPB single-zone outdoor units from 2 to 4 tons.
Details technical specifications for MLA single-zone outdoor units from 0.75 to 2 tons.
Provides technical specifications for MPA multi-zone outdoor units from 1.5 to 2.5 tons.
Details technical specifications for MPA multi-zone outdoor units from 3 to 4 tons.
Provides technical specifications for MPB multi-zone outdoor units from 1.5 to 2.5 tons.
Details technical specifications for MPB multi-zone outdoor units from 3 to 4 tons.
Provides technical specifications for MLA multi-zone outdoor units from 1.5 to 3 tons.
Provides detailed specifications for the M22A cassette indoor unit.
Lists specifications for M33A and M33B cassette indoor units.
Provides technical specifications for MMDA ducted indoor units.
Provides specifications for MWMA/MWMB units of 0.75 to 1 ton.
Details specifications for MWMA/MWMB units of 1.5 to 2.5 tons.
Provides specifications for MCFA/MCFB units of 1.5 to 4 tons.
Lists valid indoor/outdoor unit combinations for MPA multi-zone systems.
Lists valid indoor/outdoor unit combinations for MPB multi-zone systems.
Lists valid indoor/outdoor unit combinations for MLA multi-zone systems.
Explains how to set unique addresses for indoor units connected to a controller.
Guides on calculating and adding refrigerant for single-zone systems.
Provides instructions for adding refrigerant to multi-zone systems.
Outlines the steps and checks for performing a test run.
Troubleshooting steps for communication malfunction between units.
Troubleshooting steps for communication error between main control and IPM.
Troubleshooting steps for temperature sensor errors.
Troubleshooting steps for Indoor Unit EEPROM malfunction.
Troubleshooting steps for communication malfunction between indoor and outdoor units.
Guides on checking compressor windings resistance and identifying terminals.
Details how to measure resistance values for IPM components.
