■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.
Check code
Unit number of
the malfunctioning
indoor unit
When an error has occurred in the air conditioner,
the check code and the unit number of the indoor unit
appear on the display of the remote control.
* The check code appears only while the unit is running.
Push the [ MONITOR] button or [ CANCEL] button
to display the check information screen.
Check
Contact Information
Return
Check
Code:P10
Unit:2–2
While the check information screen appears:
Push the “ Contact” [ F1] button to display
the contact number for service.
Push the “ Information” [ F2] button to
display the model name and serial number of the unit.
8 Operations and performance
▼Check before running
• Check whether the ground wire is cut or
disconnected.
• Check whether the air fi lter 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.
▼Air conditioner operating conditions
For proper performance, operate the air conditioner under the following temperature conditions:
Cooling operation
Outdoor temperature : 5°F to 115°F (Dry bulb temp.)
Room temperature : 70°F to 89°F (Dry bulb temp.), 59°F to 75°F (Wet bulb temp.)
[CAUTION] Room relative humidity – less than 80%. If the air conditioner operates in
excess of this fi gure, the surface of the air conditioner may cause dewing.
Heating operation
Outdoor temperature : -13°F to 59°F (wet bulb temp.)
Room temperature : 59°F to 86°F (Dry bulb temp.)
If air conditioner is used outside of the above conditions, safety protection may work.
▼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 fi lter 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.
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