Daikin VRV 5 RXYA8A7Y1B Installer And User Manual page 178

25 | Troubleshooting
Main Sub code
code
Master Slave 1
/
Installer and user reference guide
178
Cause
The R32 sensor in one of the indoor
units has detected a refrigerant
(c)
leak
The R32 sensor in one of the SV unit
has detected a refrigerant leak
Safety system error (leak detection)
(c)
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.
An error related to the safety
system occurred.
Refer to the service manual for
more information.
SVEO SVS
(a) (b)
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12