7-9 To remove the front panel
INFORMATION
Remove the front panel only in case it MUST be replaced.
1.
Open the front panel. See “7-4 To open the front panel” on
page 18.
2.
Open the panel locks located on the back side of the panel
(1 on each side).
a
a
a
Panel lock
3.
Push the right arm lightly to the right to disconnect the
shaft from the shaft slot on the right side.
a
c
b
a
Arm
b
Shaft
c
Shaft slot
4.
Disconnect the front panel shaft from the shaft slot on the
left side.
a
c
b
a
Arm
b
Shaft slot
c
Shaft
5.
Remove the front panel.
6.
To re-install the front panel perform the steps in the opposite
order.
7-10
Take following items into account before a long
idle period
Operate the unit several hours in
fan only
mode to dry the inside
of the unit.
1.
Press
and select
operation.
•
When a multi outdoor unit is connected, make sure the
HEAT operation is not being used in other rooms before you
use the FAN operation. Refer to page 16.
2.
Press
and start operation.
3.
After operation stops, turn the circuit breaker off.
4.
Clean the air filters and replace them in their original position.
5.
Remove the batteries from the remote controller.
•
When starting to use the air conditioner again, make sure that the
drain hose outlet is not blocked, then turn on the circuit breaker.
An operational check of each component will be carried out
automatically. (Also, put the batteries into the remote controller.)
INFORMATION
It is recommended to have periodical maintenance performed
by a specialist. For specialist maintenance, contact your dealer.
Maintenance costs shall be borne by the user.
In certain operating conditions the inside of the unit may get dirty
after several seasons of use. This results in poor performance.
8. Troubleshooting
If one of the following malfunctions occur, take the measures
shown below and contact your dealer.
WARNING
Stop operation and shut off the power if anything
unusual occurs (burning smells etc.).
Leaving the unit running under such circumstances may cause
breakage, electric shock or fire. Contact your dealer.
The system MUST be repaired by a qualified service person:
Malfunction
Measure
If a safety device such as a fuse, a
circuit breaker or an earth leakage
circuit breaker frequently actuates
or the ON/OFF switch does NOT
properly work.
Turn OFF the main power
switch.
Water is leaking from the indoor unit If the drain hose is crushed
or clogged, water from the
indoor unit may be unable
to drain and start leaking.
Stop operation of the unit
immediately and contact
your dealer.
The operation switch does NOT
work well.
Turn OFF the power
supply.
If the remote controller display
indicates the unit number, the
operation lamp flashes and the
malfunction code appears.
Notify your installer and
report the malfunction
code.
If the system does NOT properly operate except for the above
mentioned cases and none of the above mentioned malfunctions
is evident, investigate the system according to the following
procedures.
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