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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 135

60 hz.
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Troubleshooting by Indication on the Remote Controller
C5
3.10 "
" Malfunction of Thermistor (R3T) for Gas Pipe
C5
Remote
Controller
Display
Applicable
All indoor unit models
Models
Method of
Malfunction detection is carried out by temperature detected by gas pipe thermistor.
Malfunction
Detection
Malfunction
When the gas pipe thermistor becomes disconnected or shorted while the unit is running
Decision
Conditions
 Defect of connection of thermistor
Supposed
 Defect of indoor unit thermistor (R3T) for gas pipe
Causes
 Defect of indoor unit PCB
Troubleshooting
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be
Caution
damaged.
Remove the thermistor from the
indoor unit PCB, and then insert it
again.
Remove the thermistor from the
indoor unit PCB, and then make
resistance measurement of the
thermistor using a multiple meter.
∗ Refer to "Thermistor Resistance / Temperature Characteristics" table on P.241.
126
Is the
thermistor normal?
NO
*
0.6 kW to 360 kW
YES
YES
NO
SiUS34-907
Normal (The malfunction is
caused by faulty contact.)
Replace the thermistor (R3T).
Replace the indoor unit PCB.
Troubleshooting

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    RXYQ18PAY6 service manual & vrv Fulform