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6-3
SYSTEM DOES NOT RUN.
3- IN INDOOR UNIT THERE IS ONE LED BLINKING AT LEAST
For the meanings of the faults, see paragraph 4.17
TEMPERATURE
SENSOR DAMAGED
Check sensor
connection and
measure its
resistance
Replace the
sensor
FAULT ON THE
OUTDOOR UNIT
See section 6.6
22
COMMUNICATION
ERROR
Is the
communication
YES
fuse blown?
NO
The fuse may be
not fitted rightly
in the fuseholder
Check for right
connection of
communication
wires
Check outdoor
unit. Is there any
NO
led on?
YES
Turn off power
supply and after
3 minutes turn
on again
Outdoor unit
PCB assy is
defective
Replace outddor
unit PCB
Replace fuse
100mA
See section 6.5
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