SiUS341802E
Troubleshooting by Error Code
Service Diagnosis
212
NO
YES
NO
YES
NO
Power ON
Restart the
compressor, and
then check for the
operation. Does the
error recur?
Has the
compressor started
up at high differential
pressure (0.5 MPa
(72.5 psi) or
more)?
The error recurs
at startup.
YES
YES
Power OFF
Power OFF
Power ON
Power ON
Power OFF
Pressure equalization failure.
Check for the refrigerant
system.
Quit work.
Pressure equalization failure
may have occurred. Check for
the refrigerant system.
YES
YES
NO
Replace the inverter PCB.
RXLQ-TATJU,
RXLQ-TAYDU: A3P
RXLQ-TAYCU,
RXYQ-TAYCU: A4P
NO
The error recurs at
startup.
Continue operation.
The error could have
resulted from instantaneous
power failure.
A
Continue operation.
Replace the compressor.
CHECK 4
Is the power
transistor
normal?
Replace the inverter
PCB.
This is not a failure of the
inverter PCB. Reinstall the
PCB.
Replace the compressor.
YES
NO
NO
The relevant
compressor has a
wiring disconnection
in it.
The insulation
resistance of the relevant
compressor is low
(< 100 k
Ω
)
YES
CHECK 4
Summary of Contents for Aurora Series
Page 317: ...SiUS341802E Wiring Diagrams Appendix 304 RXLQ96 120TATJU 2D112581A ...
Page 318: ...Wiring Diagrams SiUS341802E 305 Appendix RXLQ72TAYDU 2D112582A ...
Page 319: ...SiUS341802E Wiring Diagrams Appendix 306 RXLQ96 120TAYDU 2D112583A ...
Page 331: ...SiUS341802E Wiring Diagrams Appendix 318 VAM1200GVJU 3D073270C ...
Page 332: ...Revision History Month Year Version Revised contents 04 2018 SiUS341802E First edition ...