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Troubleshooting
Service manual
22
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
6
Check if the refrigerant circuit is correctly charged. See
133].
Possible cause:
Refrigerant overcharge or shortage.
7
Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
Possible cause:
Non‑condensables and/or humidity in the refrigerant circuit.
8
Check if the power supply is conform with the regulations. See
131].
Possible cause:
▪
Faulty or disturbance of the power supply (imbalance >10%),
▪
Power drop,
▪
Short circuit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.22 H8-00 – Outdoor unit: Malfunction of compressor input system
Trigger
Effect
Reset
DC voltage or current
sensor abnormality based
on the compressor
running frequency and
the input current.
Unit will NOT stop
operating.
Automatic reset when
compressor runs normally
for 60 minutes.
If the error re-occurs too
soon: unit will stop
operating.
Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Perform a check of the main PCB. See
81].
Possible cause:
Faulty main PCB.
2
Perform a check of the inverter PCB. See
Possible cause:
Faulty inverter PCB.
3
Perform a check of the compressor. See
Possible cause:
Faulty compressor.
4
Perform a check of the reactor. See
Possible cause:
Faulty reactor.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Summary of Contents for Stylish Series
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