Daikin VRV 5 RXYA8A7Y1B Installer And User Manual page 47

RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
Main code
SV unit damper malfunction
Discharge temperature malfunction (outdoor)
Abnormal suction temperature (outdoor)
Refrigerant overcharge detection
High pressure switch malfunction
Low pressure switch malfunction
Fan motor malfunction (outdoor)
Ambient temperature sensor malfunction (outdoor)
Discharge temperature sensor malfunction (outdoor)
Suction temperature sensor malfunction (outdoor)
De-icing temperature sensor malfunction (outdoor) or heat
exchanger gas temperature sensor malfunction (outdoor)
Liquid temperature sensor (after subcool HE) malfunction
(outdoor)
Liquid temperature sensor (coil) malfunction (outdoor)
Gas temperature sensor (after subcool HE) malfunction (outdoor)
High pressure sensor malfunction (S1NPH)
Low pressure sensor malfunction (S1NPL)
INV PCB abnormal
Fin temperature abnormal
INV PCB abnormal
Compressor over current detected
Compressor lock (startup)
Transmission outdoor unit - inverter: INV transmission trouble
INV unbalanced power supply voltage
Fin thermistor malfunction
Capacity setting malfunction (outdoor)
Abnormal low pressure drop, faulty expansion valve
Reversed power supply phase malfunction
INV voltage power shortage
System test run not yet executed
Faulty wiring indoor/SV unit/outdoor
Abnormal user interface - indoor communication
Faulty wiring to outdoor/outdoor
Warning because there is an error on another unit (indoor/SV
unit)
Connection malfunction over indoor units or type mismatch
System lock
10 Troubleshooting
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Contents
Installer and user reference guide
47