Technibel MPAFIA0R5IAA - 7-6 Fault on Outdoor Unit

7-6 FAULT ON OUTDOOR UNIT
Check sensor
connection
and measure
its resistance
IN OUTDOOR UNIT THERE IS ONE LED BLINKING AT LEAST
For the meanings of the faults, see paragraph 5.17
TEMPERATURE
SENSOR
DAMAGED
Replace the
sensor
COMMUNICATION
ERROR
Is the
communication
fuse blown?
Replace fuse
100mA
The fuse may be
not fitted rightly
in the fuseholder
Check for right
connection of
communication
wires
Turn off power
supply and after
3 minutes turn
on again
NO
See section 7.3
FAULT
ON THE
INDOOR
UNIT
YES
COMPRESSOR/FAN
OVERCURRENT/
OVERTEMPERATURE
Replace the
compressor/
fan
YES
Measure the
resistance of
compressor/fan
motor windings. Is
it defective?
Replace
outdoor unit
PCB
NO
PFC FAULT
Measure the
resistance of
inductor. Is it
defective?
Replace the
inductor
YES
Replace
outdoor unit
PCB
NO
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