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Troubleshooting
Service manual
24
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01D – 2022.02
7
Check if the refrigerant circuit is correctly charged. See
130].
Possible cause:
Refrigerant overcharge or shortage.
8
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.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.5.13 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
130].
Possible cause:
Closed stop valve in the refrigerant circuit.
2
Check if the refrigerant circuit is correctly charged. See
130].
Possible cause:
Refrigerant overcharge or shortage.
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
130].
Possible cause:
Clogged refrigerant circuit.
5
Perform a check of the 4‑way valve. See
46].
Possible cause:
Faulty 4‑way valve.
6
Perform a check of the expansion valve. See
63].
Possible cause:
Faulty expansion valve.
7
Perform a check of the main PCB. See
Possible cause:
Faulty main PCB.
8
Perform
a
check
of
all
refrigerant
side
thermistors.
See
Possible cause:
Faulty refrigerant side thermistor(s).
Содержание Comfora XP Series
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