Table of Contents
Advertisement
Troubleshooting
Troubleshooting
76
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Is the power supply
plug inserted into the
outlet or the breaker for
the power supply
breaker ON?
YES
Do the other electric
appliances work?
YES
Is the supply voltage
within the rated voltage
±10%?
YES
Does the fuse or the
thermal fuse blow?
NO
Within 3 minutes after
operation stopped?
NO
Is the wire
connection and the
wire size correct?
YES
Is the indoor unit
compatible with the
outdoor unit?
YES
Make sure that the infrared ray is
radiated from remote controller
(infrared ray checker).
(1)
Continued to the next page
NO
NO
Power failure?
NO
Is the supply voltage
appropriate?
YES
NO
YES
YES
NO
NO
SiBE04-624_B
Insert the power supply
plug into the outlet. Turn on
the breaker for the power
supply.
YES
Wait until the power
is restored.
NO
Connect the power supply
of proper voltage (check
the varistor and the fuse).
Ask the electric power
company.
Replace the fuse or the
thermal fuse.
The 3-minute standby
function is activated.
Operation restarts
3 minutes later.
Connect the wires properly.
Match the compatible
models.
(R18114)
Service Diagnosis
Advertisement
Table of Contents
