Error Codes: Overview - Daikin RXYSA4A7V1B Installer And User Manual

11.1 Error codes: Overview

RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1A – 2020.07
In case a malfunction code appears on the indoor unit user interface display,
contact your installer and inform the malfunction code, the unit type, and serial
number (you can find this information on the nameplate of the unit).
For your reference, a list with malfunction codes is provided. You can, depending
on the level of the malfunction code, reset the code by pushing the ON/OFF
button. If not, ask your installer for advice.
Main code
External protection device was activated
The R32 sensor in one of the indoor units has detected a
refrigerant leak
/ Safety system error (leak detection)
EEPROM failure (indoor)
Drain system malfunction (indoor)
Fan motor malfunction (indoor)
Swing flap motor malfunction (indoor)
Expansion valve malfunction (indoor)
Drain malfunction (indoor unit)
Filter dust chamber malfunction (indoor)
Capacity setting malfunction (indoor)
Transmission malfunction between main PCB and sub PCB
(indoor)
Heat exchanger thermistor malfunction (indoor; liquid)
Heat exchanger thermistor malfunction (indoor; gas)
Suction air thermistor malfunction (indoor)
Discharge air thermistor malfunction (indoor)
Movement detector or floor temperature sensor malfunction
(indoor)
R32 sensor malfunction in one of the indoor units
R32 sensor end of lifetime in one of the indoor units
User interface thermistor malfunction (indoor)
PCB malfunction (outdoor)
High pressure switch was activated
Low pressure malfunction (outdoor)
Compressor lock detection (outdoor)
Fan motor malfunction (outdoor)
Electronic expansion valve malfunction (outdoor)
Discharge temperature malfunction (outdoor)
Abnormal suction temperature (outdoor)
Refrigerant overcharge detection
Contents
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11 Troubleshooting
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Installer and user reference guide
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