Daikin R-410A Service Manual page 169

ESIEN05-04
Troubleshooting
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Part 3 – Troubleshooting
Is YES
operation switch pressed
repeatedly?
NO
Is
YES
thermostat changed and
reset again?
NO
Possibly faulty electric
component
Is power
YES
switch OFF or fuse for
power switch
blown?
NO
YES
Is there power failure?
NO
Is
operation lamp on
YES
LCD remote controller
flashing?
NO
Wireless
remote controller
YES
Is operation lamp on indoor
unit signal receiving
section flashing?
NO
Troubleshooting
Turn on power switch or replace
fuse.
If high-harmonics circuit breaker
is not used on inverter
compressor, have the circuit
breaker replaced.
Wait until power returns.
Normal. Equipment starts
operation 3 minutes later (3-min
standby).
Diagnose based on error code
on remote controller.
Normal. Equipment starts
operation 3 minutes later (3-min
standby).
Diagnose based on error code
on remote controller.
Check electric system.
(S2575)
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