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Case with wired remote controller
If there is something unusual even after checking the above, stop running the unit, turn off the circuit breaker, and inform the
dealer where you purchased the product of the product number and symptom. Do not attempt to repair the unit by yourself as
doing so is dangerous. If the check indicator ( , , , etc.) is displayed on the wired remote controller LCD, inform the
dealer of its content as well.
Confirmation and check
When an error occurred in the air conditioner, an error code
and indoor UNIT No. appear on the display part of the remote
controller.
The error code is only displayed during the operation.
If the display disappears, operate the air conditioner
according to the following “Confirmation of error log” for
confirmation.
Confirmation of error log
When an error occurred on the air conditioner, the error log
can be confirmed with the following procedure. (The error log
is stored in memory up to 4 errors.)
The log can be confirmed from both operating status and stop
status.
1 When and buttons are pushed at the
same time for 4 seconds or more, the
following display appears.
If is displayed, the mode enters in the
error log mode.
•[01: Order of error log] is displayed in CODE No..
• [Error code] is displayed in CHECK.
• [Indoor unit address in which an error occurred] is
displayed in Unit No.
.
2 Every pushing of button used to set
temperature, the error log stored in memory
is displayed in order
.
The numbers in CODE No. indicate CODE
No. [01] (latest) → [04] (oldest).
REQUIREMENT
Do not push button because all the error log of the indoor
unit will be deleted.
3 After confirmation, push button to return
to the usual display.
Error code Indoor UNIT No. in
which an error occurred
3
2
1
12
Operations and performance
Check before running
• Check whether the earth wire is cut or disconnected.
• Check whether the air filter is installed.
• Turn on the circuit breaker 12 hours or more before starting
operation.
3 minutes protection function
3-minutes protection function prevents the air conditioner
from starting for initial 3 minutes after the main power switch
/ circuit breaker is turned on for re-starting the air conditioner.
Auto restart operation
This air conditioner is equipped with an Automatic restarting
facility which allows the air conditioner to resume the set
operating conditions in the event of a supply power shutdown
without the use of the remote controller.
The operation will resume without warning three minutes
after the power is restored.
Power failure
Lightning or a wireless car telephone operating nearby may
cause the unit to malfunction. Turn off the main power switch
or circuit breaker and then turn them on again. Push the
START/STOP button on the remote controller to restart.
Group control
Up to 8 units can be operated simultaneously using a wired
remote controller (sold separately). For details, consult your
local dealer.
Protective device
• Stops operation when the air-conditioner is overloaded.
• If the protective device is activated, the unit stops running,
and the operation indicator and check indicator on the
signal receiving unit blink.
If the protective device is activated
• Turn off the circuit breaker and perform a checkup.
Continued running may cause a malfunction.
• Check whether the air filter is installed. If not, the heat
exchanger may be clogged with dust and water leakage
may occur.
During cooling
• The air intake or discharge of the outdoor unit is clogged.
• Strong wind continuously blows against the discharge of
the outdoor unit.
Do not turn off the circuit breaker
During the air-conditioning season, leave the circuit breaker
turned on, and use the START/STOP button on the remote
controller.
Air conditioner operating conditions
For proper performance, operate the air conditioner under the following temperature conditions:
If air conditioner is used outside of the above conditions, safety protection may work.
Outdoor temperature : 15 °C to 46 °C (Dry bulb temp.)
Room temperature : 21 °C to 32 °C (Dry bulb temp.), 15 °C to 24 °C (Wet bulb temp.)
[CAUTION]
Room relative humidity – less than 80 %. If the air conditioner operates in excess of this
figure, the surface of the air conditioner may cause dewing.
42-EN41-EN
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