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lbradleySep 12, 2025
What to do if my Lennox MCFB018S4-2P (ducted unit) has a high water level alarm?
- AAnthony SpencerSep 12, 2025
If your Lennox Heat Pump (ducted unit) is showing a high water level alarm, clear any blockage in the drain line.
To Next PageTo Next PageWhat to do if my Lennox MCFB018S4-2P (ducted unit) has a high water level alarm?
If your Lennox Heat Pump (ducted unit) is showing a high water level alarm, clear any blockage in the drain line.
How to fix high or low voltage protection error in Lennox Heat Pump?
To address a high or low voltage protection issue in your Lennox Heat Pump, ensure that the voltage levels are within the specified range.
Why is there a high temperature sensed at the compressor top of my Lennox Heat Pump?
If a high temperature is sensed at the compressor top of your Lennox Heat Pump, check the refrigerant level and airflow.
What to do if my Lennox MCFB018S4-2P has low refrigerant?
If your Lennox Heat Pump has low refrigerant, check for leaks and recharge the system if necessary.
What to do if my Lennox Air Conditioner has a high water level alarm?
If your Lennox Air Conditioner triggers a high water level alarm, clear any blockage in the drain line.
What to do if my Lennox Air Conditioner displays an inverter module IPM error?
If your Lennox Air Conditioner displays an inverter module IPM error, inspect the inverter module for faults.
What to do if my Lennox Air Conditioner displays a compressor discharge temperature sensor error?
If your Lennox Air Conditioner displays a compressor discharge temperature sensor error, replace the compressor discharge temperature sensor.
What to do if my Lennox Air Conditioner displays an outdoor coil temperature sensor error?
If your Lennox Air Conditioner displays an outdoor coil temperature sensor error, examine the outdoor coil temperature sensor and replace it if necessary.
What to do if my Lennox Air Conditioner displays an indoor coil temperature sensor error?
If your Lennox Air Conditioner displays an indoor coil temperature sensor error, check the indoor coil temperature sensor and replace it if necessary.
What to do if my Lennox Air Conditioner displays an indoor return air temperature sensor error?
If your Lennox Air Conditioner displays an indoor return air temperature sensor error, replace the indoor return air temperature sensor.
Steps for connecting refrigerant lines, including cutting, flaring, and insulating copper pipes.
Procedure for testing the system for refrigerant leaks using nitrogen gas and a manifold gauge set.
Step-by-step guide for evacuating the system to remove non-condensables and moisture.
Instructions for making electrical power wiring connections at the outdoor unit.
Details on communication wiring for indoor units, specifying conductor types and gauge.
Table listing indoor unit error codes and their corresponding malfunctions or protection indications.
Table listing outdoor unit error codes and their corresponding malfunctions or protection indications.
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