Daikin SkyAir Super Inverter 70 D Series, Руководство по обслуживанию

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Troubleshooting by Remote Controller Display / LED Display SiE25-110
190 Troubleshooting
Check No. 7
Check for Clogged Points
Temperature differences must occur before or after the clogged points!
Check No. 8
Check for Fan Motor Connector (Power Supply Line)
(1) Turn the power supply off.
With the relay connector disconnected, measure the resistance between UVW phases of the
connector (3 cores) at the motor side, then make sure that the resistance between each phase
is balanced and not short-circuited.
RAC
Indoor Unit Outdoor Unit
COMP
(S2674)
Check points Check factor Causes Remedies
Around
expansion
mechanism Temperature
difference · Dust
· Choked moisture
· Reduced effective pipe diameter
due to adherent contamination, etc. Replace the expansion
valve.
Accumulator Frosting · Choked moisture Blow a nitrogen gas, and
then replace the
refrigerant.
Distributor Temperature
difference · Dust
· Choked moisture
· Reduced effective pipe diameter
due to adherent contamination, etc. Replace the heat
exchanger or distributor.
Field piping Temperature
difference · Collapsed pipe Replace the pipe.
Stop valve Temperature
difference · The stop valve is not fully open. Open the stop valve fully.
Red
White
Black
U
V
W
Measure the resistance between
each phase.
(S2675)