Daikin BRC7E61W Service Manual Page 117

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  • TROUBLESHOOTING
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Troubleshooting Based on Equipment Condition SiE25-110
108 Troubleshooting
3.2 Equipment does not Operate
Applicable Model All models of SkyAir series
Error Detection
Method
Error Generating
Condition
Possible Causes
Fuse blown or disorder of contact in operation circuit
Faulty operation switch or contact point
Faulty high pressure switch
Faulty magnetic switch for fan motor
Activation or fault of overcurrent relay for fan motor
Faulty overcurrent relay for compressor
Faulty compressor protection thermostat
Insufficient insulation in electric system
Faulty contact point of magnetic switch for compressor
Malfunction of compressor
Troubleshooting
Possibly faulty electric
component
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.
Is power
switch OFF or fuse for
power switch
blown?
Is
operation lamp on
LCD remote controller
flashing?
Is
operation switch pressed
repeatedly?
Wireless
remote controller
Is operation lamp on indoor
unit signal receiving
section flashing?
Is
thermostat changed and
reset again?
Is there power failure?
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
(S2575)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
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