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ESIE16-02K
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Part 2. Troubleshooting
2.2. Error based troubleshooting
31/05/21
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Version 1.1
Page 25
RA R32 Split & multi split M-Series
More info:
2.2.1.10. “UH-00” – Anti-icing function in other room(s)
Possible cause
Check
Corrective action
Sensor error.
Check if connection and wiring of sensor
to PCB is OK.
Correct the wiring connection or repair the
wiring.
Broken sensor.
If all the wiring is OK but the error still
exists then is the sensor not OK.
Replace sensor.
Check procedures
Replacing procedures
"Replacing R32 sensor (only for FVXM-F model)" on page 67
"How to clear error codes" on page 17
Trigger
Effect
Reset
A wrong connection is detected by check-
ing the combination of the indoor and out-
door unit on the CPU
Operation halt due to freeze up prevention
in other room/unspecified internal or
externa voltages/mismatch indoor and
outdoor units
Auto reset after freeze up prevention is
finished. Unit cannot restart before mis-
match is removed.
Possible cause
Check
Corrective action
Freeze up prevention in other room.
Indoor fan is not operating while the error
is displayed.
See error A5.
Mismatch of outdoor-indoor units.
Verify connection on combination data-
base.
Replace indoor units when required.
Unspecified voltages.
Check supply voltage.
Adjust when required.