Daikin VRV III-S RXYMQ36 48PVJU User Manual

SiUS34-907 Troubleshooting by Indication on the Remote Controller
Troubleshooting 109
3. Troubleshooting by Indication on the Remote
Controller
3.1 “A0” Error of External Protection Device
Remote
Controller
Display
A0
Applicable
Models
All indoor unit models
Method of
Malfunction
Detection
Detect open or short circuit between external input terminals in indoor unit.
Malfunction
Decision
Conditions
When an open circuit occurs between external input terminals with the remote controller set to
"external ON/OFF terminal"
Supposed
Causes
 Actuation of external protection device
 Improper field set
 Defect of indoor unit PCB
Troubleshooting
Actuation of external protection
device.
Check the setting state of the
ON/OFF input from outside by
remote controller.
External
protection device is
connected to terminals T1
and T2 of the indoor
unit terminal
block.
ON/OFF
input from outside
(mode No. 12, first code No. 1)
has been set to external protection
device input (second code
No. 03) by remote
controller.
Replace the indoor unit PCB.
YES
Change the second code No. to
"01" or "02" .
YES
NO
Check the setting state of the ON/OFF
input from outside by remote controller.
NO
Caution
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.

Daikin VRV III-S RXYMQ36 48PVJU Specifications

General

Brand	Daikin
Model	VRV III-S RXYMQ36 48PVJU
Category	Heat Pump
Language	English