How to make sense of AC error codes?
CH52 Communication error between inverter PCB and main outdoor unit PCB. Check wiring fuses and LEDs . If OK either inverter or main PCB defective. CH53 Comms error indoor to outdoor unit. Check your wiring . Split and Multi – check voltage from terminal N to 3 = 0 – 65 Vdc, Multi V – 4 Vdc terminals 3 and 4. CH54 Reverse or open phase.
What is the code for Mercedes Benz air conditioning?
Also make note of the recharged bar pressure (17) – you can periodically check code 7 to make sure the system is holding the refrigerant pressure – if it decreases over time you have a slow leak and need to address it. Hope this helps and good luck! 2001 E55, 1999 C43. thanks!
What is the RAC code for an air conditioner?
Set ALL indoor units to cooling or ALL to heating to clear. Splits = Compressor Over Current (CT2), also see Code 06. RAC Indoor unit BLDC Fan problem. This is caused by the Indoor fan being locked. Check fan motor is plugged in correctly, Electrically & Mechanically sound.
What does an EC error code on a mini split mean?
An EC error code on a mini split indicates a Refrigerant Leakage Detection Error. This means the system has detected a leak. While there may be a leak in the unit keep in mind sensors and boards also can malfunction. Causes of EC Error Code. Refrigerant Leak; Sensor; Bad connection ; Bad Indoor PCB; Bad Outdoor PCB
What is the failure code for an air temp sensor?
Failure STATUS codes are defined in the table below. Indoor air temp sensor open/short. 8-segment display ‘F1’, with STATUS light flash 1 times and off 3 sec, repeat. Indoor coil sensor open or short. 8-segment display ‘F2’, with STATUS light flash 2 times and off 3 sec, repeat.
What does an air conditioner error code mean?
The error code that is displayed will tell you the problem that is occurring within the air conditioner. When you know the error code meaning and its definition, this will help you to fully understand the code and what action needs to be taken.
CH52 Communication error between inverter PCB and main outdoor unit PCB. Check wiring fuses and LEDs . If OK either inverter or main PCB defective. CH53 Comms error indoor to outdoor unit. Check your wiring . Split and Multi – check voltage from terminal N to 3 = 0 – 65 Vdc, Multi V – 4 Vdc terminals 3 and 4. CH54 Reverse or open phase.
What does carrier split ductless AC error code mean?
Full list of Carrier Multi Split Ductless System AC Error Codes. When error codes appear on your Carrier AC, this tells the user there’s a problem with the Carrier AC with either the inside wall unit or outside unit. The error code that is displayed will tell you the problem that is occurring within the air conditioner.