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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 164

60 hz.
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SiUS34-907
Troubleshooting
Caution Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Confirm which low pressure sensor is
abnormal using outdoor unit "monitor
mode". (Refer to P.105, 106)
1.Set the low pressure gauge upright.
2.Connect the checker for VRV to the
gauge.
the low pressure sensor
normal? (Make a comparison
(Make a comparison between the
checker pressure data and the
voltage characteristics
Reset the operation, and then restart
the outdoor unit.
characteristics of the low
Troubleshooting
Are the
characteristics of
between the voltage
characteristics (*1)
and the gauge
pressure.)
YES
Is the
PCB pressure
detection normal?
(*1).)
YES
Are the
pressure sensor
normal?
YES
Troubleshooting by Indication on the Remote Controller
NO
NO
NO
Replace the low pressure
sensor.
Replace the main PCB.
Replace the low pressure
sensor.
Replace the main PCB.
155

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    RXYQ18PAY6 service manual & vrv Fulform