Daikin SkyAir RZQ200 · 250C7Y1B Service Manual page 144

SiBE26-701
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is the
connector of the
NO
high-pressure switch correctly
connected to the outdoor
unit PC board?
(∗1)
YES
Check the next procedure
10 minutes after the
operation stop
Is continuity
NO
of the high-pressure
switch detected?
(∗2)
YES
Is continuity of
NO
the lead wire
detected?
YES
*1. The connector No. of the high-pressure switch (protection from high-pressure)
is shown in the following table.
Model name PC board
RZQ200 · 250C A1P
*2. Resistance value in normal operation: 100 Ω and below
Electric signal Connector
S1PH X2A
Diagnosis by Remote Controller
Connect correctly.
Replace the high-pressure
switch which has no continuity.
Replace the lead wire.
Replace the outdoor unit
PC board (A1P).
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