Error Codes: Overview - Daikin VRV 5 RXYA8A7Y1B Installation And Operation Manual

22 Troubleshooting
With an interval of 1 second, the display will switch between main
code and sub code.
22.1.1

Error codes: Overview

In case other error codes appear, contact your dealer.
Main code Sub code
Master Slave 1
/
Installation and operation manual
54
Cause
The R32 sensor in one of the indoor units has
(c)
detected a refrigerant leak
The R32 sensor in one of the SV unit has
detected a refrigerant leak
Safety system error (leak detection)
R32 sensor malfunction in one of the indoor
(c)
units
R32 sensor end of lifetime in one of the
(c)
indoor units
R32 sensor end of lifetime<6 months in one
(c)
of the indoor units
Waiting for indoor unit R32 sensor
(c)
replacement input
Waiting for SV unit replacement input
R32 sensor malfunction in one of the SV units Check connection on PCB or actuator.
R32 sensor end of lifetime less than 6 months
in one of the SV units
R32 sensor end of lifetime in one of the SV
units
Earth leakage detector activated
Earth leakage detector malfunction: open
circuit) - A1P (X101A)
INFORMATION
See the service manual for:
▪ The complete list of error codes
▪ A more detailed troubleshooting guideline for each
error
Solution
Possible R32 leak. The SV unit will close the
shut-off valves of the branch pipe port to
which the corresponding indoor unit is
connected. Indoor units on this branch pipe
port will be out of operation until the leak is
repaired. In case the indoor unit is directly
connected to the outdoor unit, the
compressor will shut down and the unit will
stop operating. Also all shut-off valves for all
ports in all SV units in the system will be
closed. Refer to service manual for more
information.
Possible R32 leak. The SV unit will close all
of its shut-off valves and triggers the
ventilation system of the SV unit. The system
goes in locked status. Service is needed to
repair the leak and activate the system. Refer
to the service manual for more information.
(c)
An error related to the safety system
occurred.
Refer to the service manual for more
information.
Check connection on PCB or actuator.
The system will continue operating, but the
indoor unit in scope will stop operating. Refer
to the service manual for more information.
One of the sensors is at the end of lifetime
and must be replaced.
Refer to the service manual for more
information.
One of the sensors is almost at the end of
lifetime and must be replaced.
Refer to the service manual for more
information.
Refer to the service manual for more
information.
Refer to the service manual for more
information.
The system will continue operation, but SV
unit in scope will stop operating. Refer to the
service manual for more information.
One of the sensors is at the end of lifetime
(for CH-22: almost) and must be replaced.
Refer to the service manual for more
information.
Restart the unit. If the problem reoccurs,
contact your dealer.
Check connection on PCB or actuator.
SVEO SVS
(a) (b)
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P739915-1 – 2023.12