1
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Troubleshooting
Service manual
18
(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
1.5.16 F3-00 – Outdoor unit: Malfunction of discharge pipe temperature
Trigger
Effect
Reset
Discharge pipe thermistor
detects a too high
temperature.
Unit will NOT stop
operating.
Automatic reset when
temperature drops
normal level.
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
Check that all stop valves of the refrigerant circuit are open. See
133].
Possible cause:
Closed stop valve in the refrigerant circuit.
2
Check if the refrigerant circuit is correctly charged. See
133].
Possible cause:
Refrigerant overcharge.
3
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.
4
Check if the refrigerant circuit is clogged. See
133].
Possible cause:
Clogged refrigerant circuit.
5
Perform a check of the 4‑way valve. See
39].
Possible cause:
Faulty 4‑way valve.
6
Perform a check of the expansion valve. See
54].
Possible cause:
Faulty expansion valve.
7
Perform a check of the main PCB. See
81].
Possible cause:
Faulty main PCB.
8
Perform
a
check
of
all
refrigerant
side
thermistors.
See
Possible cause:
Faulty refrigerant side thermistor(s).
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.17 F6-00 – Outdoor unit: Abnormal high pressure in cooling
Trigger
Effect
Reset
Outdoor heat exchanger
thermistor measures a
too high temperature.
Unit will NOT stop
operating.
Automatic reset when
temperature drops.
Содержание Stylish Series
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