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Troubleshooting
Service manual
32
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
2.5.33 UH-00 – Malfunction of system
Trigger
Effect
Reset
In case of connection with
multi indoor units, when
error UA, U0 or A5 occurs
in other indoor unit.
Unit will stop operating.
Auto reset.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Check all other indoor units for the following error codes. If found, see
"2.5 Error based troubleshooting"
9] to solve the specific error.
▪
A5-00 – Outdoor unit: High pressure peak cut / freeze protection problem
▪
U0-00 – Outdoor unit: Shortage of refrigerant
▪
UA-00 – Indoor unit, outdoor unit mismatching problem
Possible cause:
Error on other indoor unit.
2
Perform a check of the indoor unit main PCB. See
102].
Possible cause:
Faulty indoor unit main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.