Troubleshooting; Overview: Troubleshooting; Precautions When Troubleshooting; Solving Problems Based On Error Codes - Daikin VRV 5 S Series Installer And User Manual

26 Troubleshooting

In this chapter

26.1 Overview: Troubleshooting

26.2 Precautions when troubleshooting

26.3 Solving problems based on error codes

RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1D – 2023.02
26.1 Overview: Troubleshooting .................................................................................................................................................... 147
26.2 Precautions when troubleshooting........................................................................................................................................ 147
26.3 Solving problems based on error codes................................................................................................................................. 147
26.3.1 Error codes: Overview............................................................................................................................................ 148
26.4 Refrigerant leak detection system ......................................................................................................................................... 150
Before troubleshooting
Carry out a thorough visual inspection of the unit and look for obvious defects such
as loose connections or defective wiring.
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
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.
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.
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.
26 Troubleshooting
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Installer and user reference guide
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