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Troubleshooting
Installer and user reference guide
161
REMA5+REYA8~20A7Y1B
VRV 5 heat recovery
4P687640-1 – 2022.07
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
Example
Main code
Sub code
With an interval of 1 second, the display will switch between main code and sub
code.
INFORMATION
See the service manual for:
▪
The complete list of error codes
▪
A more detailed troubleshooting guideline for each error
25.3.1 Error codes: Overview
In case other error codes appear, contact your dealer.
Main
code
Sub code
Cause
Solution
SVEO
(a)
SVS
(b)
Master Slave 1
The R32 sensor in one of the
indoor units has detected a
refrigerant leak
(c)
Possible R32 leak. The BS 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. Refer to service manual
for more information.
The R32 sensor in one of the BS
unit has detected a refrigerant
leak.
Possible R32 leak. The BS unit will
close all of its shut-off valves and
triggers the ventilation system of
the BS 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.
/
Safety system error (leak
detection)
(c)
An error related to the safety
system occurred.
Refer to the service manual for
more information.
