Daikin VRV 5-S Series - Error Codes: Overview

26 | Troubleshooting
Installer and user reference guide
148
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1D – 2023.02
INFORMATION
If a malfunction occurs, the error code is displayed on the outdoor unit's 7‑segments
display and on the user interface of the indoor unit.
26.3.1 Error codes: Overview
In case other error codes appear, contact your dealer.
Main
code
Cause Solution SVEO
(a)
SVS
(b)
The R32 sensor in one of the indoor
units has detected a refrigerant leak
(c)
Possible R32 leak. The system will
automatically start refrigerant recovery
operation to store all refrigerant into the
outdoor unit. When refrigerant recovery
operation is finished, the system unit goes in
locked status. Service is needed to repair the
leak and activate the system. Refer to the
service manual for more information.
/ Safety system error (leak detection)
(c)
An error related to the safety system
occurred.
Refer to the service manual for more
information.
R32 sensor malfunction in one of the
indoor units
(c)
Check connection on PCB or actuator.
The system will continue operation, but
indoor unit in scope will stop operating.
Refer to the service manual for more
information.
R32 sensor end of lifetime in one of
the indoor units
(c)
One of the sensors is at the end of lifetime
and must be replaced.
Refer to the service manual for more
information.
R32 sensor 6months before end of
lifetime in one of the indoor units
(c)
One of the R32 sensors is close to the end of
lifetime and will have to be replaced soon.
Waiting for R32 sensor replacement
confirmation from one of the indoor
units
(c)
Waiting for confirmation that the R32 sensor
has been replaced in one of the indoor units.
Refer to the service manual for more
information.
▪ The stop valve of an outdoor unit is
left closed.
▪ Refrigerant overcharge
▪ Open the stop valve on both the gas and
liquid side.
▪ Recalculate the required amount of
refrigerant from the piping length and
correct the refrigerant charge level by
recovering any excessive refrigerant with a
refrigerant recovery machine.