To Next PageTo Next PageWhat to do if my Carrier Performance 40MBDQ18---3 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 Performance 40MBDQ18---3 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 40MBDQ18---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 40MBDQ18---3'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 Performance 40MBDQ18---3 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 Air Conditioner'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 Performance 40MBDQ18---3 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 40MBDQ18---3'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| Brand | Carrier |
|---|---|
| Model | Performance 40MBDQ18---3 |
| Category | Air Conditioner |
| Language | English |
Warning about the risk of personal injury or death from electrical hazards.
Warning concerning explosion risks from using oxygen or air for leak testing.
Caution regarding potential equipment damage from improper handling of refrigerant pipes.
Caution about sharp edges on sheet metal parts and the need for protective gear.
Critical warnings and guidelines for safe and proper product installation to prevent hazards.
Requirements for unit mounting, ceiling support, and placement to ensure safety and performance.
Required clearances around the unit for horizontal installation, including ceiling and side access.
Minimum space needed around the unit for inspection, servicing, and component access.
Procedure for checking the unit upon arrival and confirming its rating plate details.
Guidelines for mounting the indoor unit horizontally or vertically on different ceiling types.
Crucial safety warnings regarding electrical shock and property damage during wiring.
Essential guidelines for refrigerant piping, including minimum length, pipe diameters, and insulation.
Guide to manually setting static pressure (SP) or automatic airflow (AF) using the wired remote controller.
Steps for setting static pressure using the 24V interface, bypassing other controllers.
A guide to error codes displayed by the indoor unit's LEDs, indicating system malfunctions.
