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Brian MarshAug 30, 2025
What to do if my Daikin RXYSQ12TMY1B system test run ends abnormally?
- AAnthony WrightAug 30, 2025
If the system test run on your Daikin Air Conditioner ends abnormally, execute the test run again.
What to do if my Daikin RXYSQ12TMY1B system test run ends abnormally?
If the system test run on your Daikin Air Conditioner ends abnormally, execute the test run again.
What to do if my Daikin RXYSQ12TMY1B is showing a warning: faulty wiring to Q1/Q2?
If your Daikin Air Conditioner is showing a warning about faulty wiring to Q1/Q2, check the Q1/Q2 wiring.
What to do if my Daikin RXYSQ12TMY1B has a malfunction code: faulty wiring to Q1/Q2?
If your Daikin Air Conditioner displays a malfunction code indicating faulty wiring to Q1/Q2, check the Q1/Q2 wiring.
What to do if my Daikin RXYSQ12TMY1B stop valve is closed or wrong during system test run?
If the stop valves are closed or wrong during the system test run of your Daikin Air Conditioner, open the stop valves.
What to do if my Daikin RXYSQ12TMY1B Air Conditioner outdoor unit stop valve is left closed?
If the stop valve of your Daikin Air Conditioner outdoor unit is left closed, open the stop valve on both the gas and liquid sides. Also, confirm that the piping and wiring of the specified indoor unit are connected correctly to the outdoor unit.
What to do if my Daikin RXYSQ12TMY1B stop valve is closed (liquid)?
If the liquid stop valve on your Daikin Air Conditioner is closed, open the liquid stop valve.
What to do if my Daikin RXYSQ12TMY1B Air Conditioner discharge temperature is too high?
If the discharge temperature is too high on your Daikin Air Conditioner, it could be due to a closed stop valve or a refrigerant shortage. To resolve this, first open the stop valves. If the problem persists, check the refrigerant amount and recharge the unit.
Why is my Daikin Air Conditioner not cooling and showing low pressure malfunction?
A low-pressure malfunction in your Daikin Air Conditioner may occur due to several reasons: * A closed stop valve. * A refrigerant shortage. * An indoor unit malfunction. In this case, check the user interface's display or the transmission wiring between the outdoor and indoor units. To resolve this, open the stop valves. If that doesn't work, check the refrigerant amount and recharge the unit. If the problem persists, inspect the user interface display or the transmission wiring between the outdoor unit and the indoor unit.
What to do if my Daikin Air Conditioner de-icing temperature sensor malfunction (R7T)?
General| Brand | Daikin |
|---|---|
| Model | RXYSQ12TMY1B |
| Category | Air Conditioner |
| Language | English |
Requirements and materials for refrigerant piping installation.
Instructions for electrical wiring compliance and safety.
Detailed guide for connecting refrigerant pipes.
Procedures for leak testing and vacuum drying refrigerant lines.
Process for charging refrigerant into the system.
Instructions for connecting power and transmission wiring.
Procedures for adjusting system parameters via field settings.
Settings for optimizing energy efficiency and comfort.
Introduction to the commissioning process and test run.
Safety warnings and precautions during commissioning.
A checklist of items to verify before starting commissioning.
Safety measures and precautions for maintenance work.
Safety warnings and precautions during troubleshooting.
Guidance on resolving issues based on error codes.
Specifications including capacity, power, and sound levels.
List and explanation of error codes and their causes.
Description of normal operational symptoms and behaviours.
