What to do if my Carrier Performance 40MBDQ36---3 Air Conditioner showing overload protection?
- JJenny DavisAug 14, 2025
If your Carrier Air Conditioner is showing an overload protection error, check the system load and reset the protection.
What to do if my Carrier Performance 40MBDQ36---3 Air Conditioner showing overload protection?
If your Carrier Air Conditioner is showing an overload protection error, check the system load and reset the protection.
What to do if my Carrier Air Conditioner showing over voltage or over low voltage protection?
If your Carrier Air Conditioner shows an over voltage or over low voltage protection error, verify the voltage levels and circuit integrity.
What to do if my Carrier Performance 40MBDQ36---3 has high temperature protection of compressor top diagnosis?
If your Carrier Air Conditioner activates high temperature protection for the compressor (9K, 12K models only), allow the compressor to cool down.
What to do if my Carrier Performance 40MBDQ36---3 Air Conditioner's indoor room temperature sensor T1 is open or short circuit?
If your Carrier Air Conditioner indicates that the indoor room temperature sensor T1 is open circuit or short circuit, check the T1 temperature sensor connection and consider replacement.
What to do if my Carrier Air Conditioner's evaporator coil temperature sensor T2 is open or short circuit?
If your Carrier Air Conditioner indicates that the evaporator coil temperature sensor T2 is open circuit or short circuit, check the T2 temperature sensor connection and consider replacement.
What to do if my Carrier Performance 40MBDQ36---3's condenser coil temperature sensor T3 is open or short circuit?
If your Carrier Air Conditioner indicates that the condenser coil temperature sensor T3 is open circuit or short circuit, check the T3 temperature sensor connection and consider replacement.
What to do if my Carrier Air Conditioner's outdoor ambient temperature sensor T4 is open or short circuit?
If your Carrier Air Conditioner indicates that the outdoor ambient temperature sensor T4 is open circuit or short circuit, check the T4 temperature sensor connection and consider replacement.
What to do if my Carrier Performance 40MBDQ36---3 Air Conditioner's compressor discharge temperature sensor T5 is open or short circuit?
If your Carrier Air Conditioner indicates that the compressor discharge temperature sensor T5 is open circuit or short circuit, check the T5 temperature sensor connection and consider replacement.
General safety warnings and hazards for installation and operation.
Key requirements, warnings, and cautions for proper installation.
Required clearances for installation and maintenance of indoor units.
Procedures for checking equipment condition and specifications before installation.
Instructions and options for mounting the indoor unit.
Best practices and recommendations for condensate drain piping.
Safety precautions and steps for making electrical connections.
Step-by-step guide for connecting refrigerant piping and flare nut torque.
How to set static pressure and automatic airflow using controllers.
Guide to indoor unit diagnostic codes for troubleshooting.
General safety warnings and hazards for installation and operation.
Key requirements, warnings, and cautions for proper installation.
Required clearances for installation and maintenance of indoor units.
Procedures for checking equipment condition and specifications before installation.
Instructions and options for mounting the indoor unit.
Best practices and recommendations for condensate drain piping.
Safety precautions and steps for making electrical connections.
Step-by-step guide for connecting refrigerant piping and flare nut torque.
How to set static pressure and automatic airflow using controllers.
Guide to indoor unit diagnostic codes for troubleshooting.
| Brand | Carrier |
|---|---|
| Model | Performance 40MBDQ36---3 |
| Category | Air Conditioner |
| Language | English |












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