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Tanya LynnSep 7, 2025
How to check unit combination on Daikin Air Conditioner multi system?
- DDeborah WaltersSep 7, 2025
If you have a wrong unit combination in your Daikin Air Conditioner multi system, check if the unit types are compatible.
How to check unit combination on Daikin Air Conditioner multi system?
If you have a wrong unit combination in your Daikin Air Conditioner multi system, check if the unit types are compatible.
What to do if my Daikin REYQ16T7Y1B shows a low pressure malfunction?
If your Daikin Air Conditioner is showing a low pressure malfunction, first open the stop valves. Then, check the refrigerant level and recharge the unit if needed. Finally, inspect the user interface display and the transmission wiring between the outdoor and indoor units.
How to fix a Daikin REYQ16T7Y1B indoor unit communication error?
If you experience an indoor unit communication error with your Daikin Air Conditioner, check the user interface connection.
How to troubleshoot a Daikin REYQ16T7Y1B with an activated high pressure switch?
If the high pressure switch is activated on your Daikin Air Conditioner, check the stop valve situation and inspect for any abnormalities in the field piping or airflow over the air-cooled coil.
What to do if my Daikin REYQ16T7Y1B has a refrigerant overcharge or stop valve closed?
If your Daikin Air Conditioner indicates a refrigerant overcharge or a closed stop valve, check the refrigerant amount and recharge the unit if necessary. Also, ensure that the stop valves are open.
What to do if Daikin Air Conditioner test run aborted due to communication issues?
If the Daikin Air Conditioner test run is aborted due to communication issues, check the communication wires and then re-execute the test run.
How to troubleshoot Daikin Air Conditioner electronic expansion valve (inverter cooling)?
If you are experiencing issues with the electronic expansion valve (inverter cooling) (Y5E) on your Daikin Air Conditioner, check the connection on the sub PCB (X8A) or the actuator.
What to do if no BS unit connected to my Daikin REYQ16T7Y1B?
If no BS unit is connected to your Daikin Air Conditioner, connect a BS unit.
What to do if stop valve closed during Daikin REYQ16T7Y1B Air Conditioner system test run?
If the stop valve is closed or wrong during the system test run of your Daikin Air Conditioner, open the stop valves.
How to open a closed liquid stop valve on a Daikin REYQ16T7Y1B?
If the liquid stop valve is closed on your Daikin Air Conditioner, open the liquid stop valve.
General| Brand | Daikin |
|---|---|
| Model | REYQ16T7Y1B |
| Category | Air Conditioner |
| Language | English |
Requirements for refrigerant piping, selection of pipes, and branch kits.
Steps for routing, connecting, and handling refrigerant piping and valves.
Procedures for leak testing and vacuum drying of refrigerant piping.
Detailed procedures for charging refrigerant, including automatic and manual methods.
Instructions for connecting transmission wiring, power supply, and fixing wires.
How to make field settings using push buttons and understanding display indications.
Procedures for inputting field settings for the unit and system in Mode 2.
How to use the automatic leak detection feature.
Step-by-step guide to executing the automatic system test run.
How to resolve issues by interpreting malfunction codes and sub codes.
A list of main error codes and their corresponding contents.