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Daikin FTXR-T Series Service Manual

Daikin FTXR-T Series
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SiUS041829E Troubleshooting
Part 6 Service Diagnosis 99
4.19 Compressor System Sensor Abnormality
Error Code H0
Method of Error
Detection
The system checks the DC current before the compressor starts.
Error Decision
Conditions
The voltage converted from the DC current before compressor start-up is out of the range 0.5 ~
4.5 V.
The DC voltage before compressor start-up is below 50 V.
Supposed
Causes
Broken or disconnected harness
Defective outdoor unit PCB
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
(R24613)
YES
Turn off the power. Then, turn on
the power to restart the system.
YES
NO
Replace the harness.
Replace the outdoor unit
PCB (main PCB).
Is the harness broken?
Restart
operation and error displayed
again?
Check the (relay) harness for the
compressor.
Not a malfunction.
Keep observing.

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Daikin FTXR-T Series Specifications

General IconGeneral
BrandDaikin
ModelFTXR-T Series
CategoryHeat Pump
LanguageEnglish

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