Troubleshooting; Self-Diagnosis Function; Before Requesting Service - Friedrich M09CJ Operation Manual

TROUBLESHOOTING

20
TROUBLESHOOTING

Self-diagnosis function

This product has a built-in self-diagnosis function. If an error occurs, the indoor unit will blink in 2
second intervals.

Before requesting service

Please check the following before you contact the service center. If the problem persists, contact
your local service center.
Problem
There is a burning smell and
a strange sound coming
from the unit.
Water leaks from the indoor
unit even when the humidity
level is low.
The power cord is damaged
or generating excessive
heat.
A switch, a circuit breaker
(safety, ground) or a fuse is
not operated properly.
The air conditioner does not
work.
Possible causes
-
The air conditioner is
unplugged.
A fuse is blown or the
power supply is
blocked.
A power failure has
occurred.
The voltage is too
high or too low.
The air conditioner
turned off automati-
cally at a preset time.
Corrective action
Turn off the air conditioner, unplug the
power cord and contact the service center.
Check whether the power cord is plugged
into the outlet.
Replace the fuse or check if the circuit
breaker has tripped.
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.
Check if the circuit breaker has tripped.
Press the power button again.