Fan Motor Works Normally But The Compressor Does Not Operate(Fmi); Outdoor Unit Fan (Fmo) Does Not Operate - Technibel SMDV9XC5 Technical Data & Service Manual

Smdv series, models with r407c
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SERVICE MANUAL

FAN MOTOR WORKS NORMALLY BUT THE COMPRESSOR DOES NOT OPERATE(FMI)

Check hardness
and continuity. Is the
relay compressor
coil (PR white cable)
power supplied ?
Replace the relay
(PR)
Replace klixon (ORL)
Replace the
capacitor (C)
Replace the
compressor
OUTDOOR FAN(FMO) DOES NOT OPERATE.
Have 3 minutes time delay
already elapsed since "on"
operation?
YES
Disconnect the unit from line
and manually rotate the
propeller
YES
Check electrical connections
and winding continuity on
outdoor fan(FMO).
YES
Is the voltage in coil relay (RC)
NO
Check electronic control (CE)
NO
Replace electronic control (CE)
NO
Check if relay
contects are closed
YES
YES
Check compressor
klixon contacts(ORL)
Are they open ?
NO
NO
Check the capaci -
tor capacity (C)
YES
NO
Check the com -
pressor winding
continuity
YES
YES
YES
Is the thermostat
in the right posi -
tion ?
Is room tempera -
ture over 15 °C ?
Check the sensor
continuity (TH)
on electronic
control (CE)
terminal blocks
Check electronic
control (CE)
NO
NO
NO
Is the relay contact closed
(RC) ?
YES
Check capacitor capacity.
12
NO
Adjust thermostat
position
YES
NO
The unit cannot
operate below
15 °C
YES
NO
Replace the
sensor (TH)
YES
Wait for about 3 minutes
Remove causes stopping
rotation.
Replace outdoor fan motor
(FMO)
NO
Replace relay(RC)
NO
Replace capacitor
(FMO)

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Smdv11xc5Smdv14xc5

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