Daikin ZQG71~140L7V1B Service Manual page 125

ESIE12-06
Troubleshooting
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
Is the power
switch OFF or fuse for power
switch blown?
NO
Is there power failure?
NO
Is the operation switch
pressed repeatedly?
NO
Is the thermostat changed
and reset again?
NO
Is the operation
lamp on LCD remote controller
blinking?
NO
Is the operation lamp
on indoor unit signal receiving
part blinking?
NO
Defective electric component
Service Diagnosis
YES
YES
YES
YES
YES
YES
Symptom-based Troubleshooting
Turn ON the power switch or
replace the fuse.
If high-harmonics circuit breaker
is not used on the inverter
compressor, replace the circuit
breaker.
Wait until power returns.
Normal. Equipment starts
operation 3 minutes later (3-min.
standby).
Normal. Equipment starts
operation 3 minutes later (3-min.
standby).
Diagnose based on error code
on remote controller.
Diagnose based on error code
on remote controller.
Check the electric system.
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