35
TROUBLESHOOTING
EN
Self-diagnosis Function
This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit will
blink in 2 second intervals. If this occurs, contact your local dealer or service center.
Before Calling for Service
Please check the following before you contact the service center. If the problem persists, contact your
local service center.
Problem
Possible Causes
Corrective Action
The air conditioner
does not work
normally.
Burning smell and strange
sounds are coming from the
unit.
•
Turn off the air conditioner, unplug the
power cable or disconnect the power
supply, and contact the service center.
Water leaks from the indoor
unit even when the humidity
level is low.
The power cable is damaged or
it is generating excessive heat.
A switch, a circuit breaker
(safety, ground), or a fuse is
not operated properly.
The unit generates an error
code from its self-diagnosis.
The air conditioner
does not work.
The air conditioner is
unplugged.
•
Check whether the power cord is
plugged into the outlet or the power
isolators are switched on.
A fuse exploded, or the power
supply is blocked.
•
Replace the fuse or check if the circuit
breaker has tripped.
A power failure has occurred.
•
Turn off the air conditioner when a
power failure occurs.
•
When the power is restored, wait
3 minutes, and then turn on the air
conditioner.
The voltage is too high or too
low.
•
Check if the circuit breaker has tripped.
The air conditioner was turned
off automatically at a preset
time.
•
Turn the air conditioner on.
The battery setting in the
remote controller is incorrect.
•
Make sure that the batteries are
inserted correctly in your remote
controller.
•
If the batteries are placed correctly,
but the air conditioner still does not
operate, replace the batteries and try
again.
Summary of Contents for DSNQ186K3A0
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