19
Lighted
Blinking
Not lighted
Lighted
Blinking
Not lighted
Lighted
Blinking
Not lighted
· Flashing of AREA lamp(left-hand side lamp) indicates abnormality.
No.
1
Symptom
Operation indicator lamp
Condition
Correspondence
Abnormal
point
Left lamp of AREA lamp flashes.
4-time flash
2.5-second OFF
Indoor
control
system
When it cannot properly read data in the
nonvolatile memory of the indoor electronic
control P.C. board.
Indoor unit
and outdoor
unit do not
operate.
• Replace the indoor electronic
control P.C. board.
No.
1
Symptom
Operation indicator lamp
Condition
Correspondence
Abnormal
point
0.5-second ON
0.5-second OFF
When the electricity is not conducted to the
interlock switch (Fan) of the horizontal vane.
• Refer to 9-6.
E
"Check of
installation of the horizontal
vane".
Indoor unit
and outdoor
unit do not
operate.
Attachment
of the
horizontal
vane
All lamps flash at the same time.
No.
Symptom
Operation indicator lamp
Condition
Correspondence
Abnormal
point
1
MXZ type
Operation
mode
setting
Outdoor unit
operates but
indoor unit
does not
operate.
When the operation mode of the each indoor
unit is differently set to COOL (includes DRY)
and HEAT at the same time, the operation
mode of the indoor unit that has operated at
first has the priority.
• Unify the operation mode.
Refer to outdoor unit service
manual.
2.5-second OFF
Both lamps flash
· Flashing of All lamps indicate abnormality.
· Flashing of AREA lamp(both lamps) indicates abnormality.
· POWER lamp is lighted.
Lighted
Blinking
Not lighted
· Flashing of PLASMA/WASH lamp indicates abnormality.
No.
1
Symptom
Operation indicator lamp
Condition
Correspondence
Abnormal
point
PLASMA/WASH lamp flashes.
2-time flash
2.5-second OFF
When PLASMA DEODORIZING power and/or
PLASMA AIR PURIFYING power can not be
turned OFF even if the PLASMA operation is
turned OFF with remote controller.
Indoor unit
and outdoor
unit do not
operate.
PLASMA
DEODORIZING/
PLASMA
AIR
PURIFYING
power control
•
Refer to 9-6.
F
"Check of
PLASMA DEODORIZING
power" or 9-6.
G
"Check of
PLASMA AIR PURIFYING
power".
OB371B--1qxp 06.5.10 2:01 PM Page 19
