Daikin VRV 5-S Series, Installer And User Reference Manual

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26 | Troubleshooting
Installer and user reference guide
145
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
26.2 Precautions when troubleshooting
WARNING
▪
When carrying out an inspection on the switch box of the unit, ALWAYS make
sure that the unit is disconnected from the mains. Turn off the respective circuit
breaker.
▪
When a safety device was activated, stop the unit and find out why the safety
device was activated before resetting it. NEVER shunt safety devices or change
their values to a value other than the factory default setting. If you are unable to
find the cause of the problem, call your dealer.
DANGER: RISK OF ELECTROCUTION
WARNING
Prevent hazards due to inadvertent resetting of the thermal cut-out: power to this
appliance MUST NOT be supplied through an external switching device, such as a
timer, or connected to a circuit that is regularly turned ON and OFF by the utility.
DANGER: RISK OF BURNING
26.3 Solving problems based on error codes
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.
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.