Daikin K-Series Service Manual page 127

SiBE061121.book Page 117 Monday, April 25, 2011 3:21 PM
SiBE061121
Troubleshooting
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Check the supply voltage.
Supply voltage as
specified?
YES
Check the connection of the
compressor harness.
Loose or
disconnected?
NO
(Precaution before turning on the power again)
Turn on the
YES
power again. System
restarted?
NO
Repeat a few
times.
NO
YES
Make sure the power has been off for
at least 30 seconds.
Disturbance factors
∗ Noise ∗ Power supply distortion
Troubleshooting
Correct the power supply.
Reconnect it.
Check for such factors for a
long term.
∗ Try to restart a few times.
Replace the PM1. (Replace
the outdoor unit PCB.)
(R14648)
117