Daikin RXQ12AHR, Руководство по обслуживанию

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Troubleshooting by Error Code SiAF341904E
220 Part 6 Service Diagnosis
Note(s)
Reference
Reference

1. Make a comparison between voltage measured by the pressure sensor and that read by the
pressure gauge.
(The pressure sensor makes measurement of voltage at its connector block to convert it to
Pressure.
CHECK 12 )
CHECK 1 Refer to page 287.
CHECK 12 Refer to page 298.
Replace the outdoor unit
main PCB (A1P).
NO
YES
Is
the “high
pressure”
checked by the
Service Checker same as
the measurement of
the high pressure
gauge?
-The high pressure sensor is normal, and the outdoor unit main PCB is also
normal.
-The high pressure has really become high.
Eliminate factors that cause the high pressure to rise.
Connect the Service Checker, and then make a comparison between “high
pressure” checked by the Service Checker and the measurement of the high
pressure sensor (
* 1)
A
CHECK 12
CHECK 1
Service Checker