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Daikin VRV III-S RXYMQ36 48PVJU Service Manual: Troubleshooting By Indication On The Remote Controller

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

Troubleshooting by Indication on the Remote Controller

YES
YES
Actuation of external protection
device.
Check the setting state of the
ON/OFF input from outside by
remote controller.
Change the second code No. to
"01" or "02" .
Replace the indoor unit PCB.
109

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  • cp shukla Feb 16, 2016 06:50:
    RXYQ18PAY6 service manual & vrv Fulform