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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 133

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Troubleshooting by Indication on the Remote Controller
AJ
3.8
"
" Malfunction of Capacity Determination Device
AJ
Remote
controller display
Applicable
All indoor unit models
Models
Method of
Capacity is determined according to resistance of the capacity setting adaptor and the memory
Malfunction
inside the IC memory on the indoor unit PCB, and whether the value is normal or abnormal is
determined.
Detection
Malfunction
Operation and:
Decision
1. When the capacity code is not saved to the PCB, and the capacity setting adaptor is not
Conditions
2. When a capacity that does not exist for that unit is set.
 You have forgotten to install the capacity setting adaptor.
Supposed
 Defect of indoor unit PCB.
Causes
Troubleshooting
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be
Caution
damaged.
unit PCB was replaced
requires installation of a
capacity setting adaptor
124
connected.
The indoor
with a replacement
PCB.
YES
The indoor
unit is a model that
when replacing the
PCB.
YES
NO
NO
Replace the indoor unit PCB.
Replace the indoor unit PCB.
Install a capacity setting
adaptor.
Troubleshooting
SiUS34-907

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    RXYQ18PAY6 service manual & vrv Fulform