Troubleshooting; Solving Problems Based On Error Codes; Error Codes: Overview - Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual

23 Troubleshooting

In this chapter

23.1 Solving problems based on error codes

23.2 Error codes: Overview

Main code
Master
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
23.1 Solving problems based on error codes................................................................................................................................. 155
23.2 Error codes: Overview ............................................................................................................................................................ 155
In case of a displayed malfunction code, perform correcting actions as explained in
the malfunction code table.
After correcting the abnormality, press BS3 to reset the malfunction code and retry
operation.
The malfunction code which is displayed on the outdoor unit will indicate a main
malfunction code and a sub code. The sub code indicates more detailed
information about the malfunction code. The malfunction code will be displayed
intermittent.
Example:
Code
Main code
Sub code
With an interval of 1 second, the display will switch between main code and sub
code.
In case other error codes appear, contact your dealer.
Sub code
Slave 1 Slave 2
Cause
Earth leakage detector
activated
Earth leakage detector
malfunction: open circuit) -
A1P (X101A )
23 Troubleshooting
|
Example
Solution
Restart the unit. If the
problem reoccurs, contact
your dealer.
Check connection on PCB or
actuator.
Installer and user reference guide
155