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2.10 Troubleshooting
Power failure
If unit display does not turn on after you press
remote control, and equipment does not turn on, ensure that:
— equipment power plug, if any, is properly plugged
— system main switch is set to "ON"
— remote control batteries are well charged
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If necessary, contact R Technical Support Service.
The climate control system does not sufficiently cool down or
warm up the air
Check that:
— the mesh filter is clean
— the purification filters, if installed, are clean
— doors or windows leading outdoors are closed
— outdoor unit air flow is free from obstructions
— set temperature is the one actually required
— the transmission channel set via button
transmission is not successful, try changing channel to b
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If necessary, contact R Technical Support Service.
faults on unit display
Malfunction warnings are indicated with a code on indoor unit
display. Their triggering causes equipment shutdown in safety
conditions and prevents further operation.
To restore operating conditions:
— set the main switch to "Off"
— allow 10 minutes
— set main switch back to "ON"
— press
on remote control
If the climate control system resumes normal operation, it means
that shutdown was due to an erratic condition.
If the fault occurs again, an accurate check of the device compo-
nents is required. Contact R Technical Support Service.
fault codes for indoor unit
Code Description
E1
Room probe fault
E2
Exchanger probe fault
Microprocessor
E4
malfunction
Communication error
E7
between indoor unit and
outdoor unit
E14
Fan motor malfunction
on
is A. If
Remarks
The unit resets after
problem resolution
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