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Self-Diagnosis; Auto Restart - Fujitsu Inverter Halcyon 9374343072-04 Operating Manual

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OPERATING TIPS

AUTO Restart

In Event of Power Interruption
Should the power supply to the air conditioner be inter-
rupted by a power failure, the air conditioner will restart
automatically in the previously selected mode once the
power is restored.
Multi-type Air conditioner
This indoor unit can be connected to a multi-type outdoor unit. The multi-type air conditioner allows multiple indoor units to be
operated in multiple locations. The indoor units may be operated simultaneously, in accordance with their respective output.
Simultaneous Use of Multiple Units
Instructions relating to inverter ( ) are applicable only to "INVERTER MODEL " .
When using a multi-type air conditioner, the multiple
indoor units can be operated simultaneously, but when
2 or more indoor units of the same group are oper-ated
simultaneously, the heating and cooling effi ciency will
be less than when a single indoor unit is used alone.
Accordingly, when you wish to use more than 1 indoor
unit for cooling at the same time, the use should be
concentrated at night and other times when less output
is required. In the same way, when multiple units are
used simultaneously for heating, it is recommended that
they be used in conjunction with other auxiliary space
heaters, as required.
Seasonal and outdoor temperature conditions, the struc-
ture of the rooms and the number of persons present
may also result in differences of operating effi ciency.We
recommend that you try various operating patterns in
order to confi rm the level of heating and cooling output
provided by your units, and use the units in the way that
best matches your family's lifestyle.
lf you discover that 1 or more units delivers a low level
of cooling or heating during simultaneous operation,
we recommend that you stop simultaneous operation
of the multiple units.
Operation cannot be done in the following different
operating modes.
Notice
*
During use of the heating mode, the outdoor unit will
occasionally commence the defrost operation for brief
periods. During the defrosting operation, if the user sets
the indoor unit for heating again, the defrosting mode
will continue, and the heating operation will begin after
completion of defrosting, with the result that some time
may be required before warm air is emitted.

SELF-DIAGNOSIS

When "Er" in Temperature Display is displayed, inspection of the air conditioning system is necessary. Please consult
authorized service personnel.
9374343072-04_OM.indb Sec1:16
9374343072-04_OM.indb Sec1:16
Use of other electrical appliances (electric shaver, etc.) or
nearby use of a wireless radio transmitter may cause the
air conditioner to malfunction. In this event, temporarily
disconnect the power supply, reconnect it, and then use
the remote controller to resume operation.
If the indoor unit is instructed to do an operating mode
that it cannot perform,
mote controller display and the unit will go into the
standby mode.
Operation can be done in the following different operat-
ing modes.
The operating mode (heating mode or cooling (dry)
mode) of the outdoor unit will be determined by the
operating mode of the indoor unit that was operated
fi rst.If the indoor unit was started in fan mode, the op-
erating mode of the outdoor unit will not be determined.
For example, if indoor unit (A) was started in fan mode
and then indoor unit (B) was then operated in heating
mode, indoor unit (A) would temporarily start operation
in fan mode but when indoor unit (B) started operating
in heating mode,
remote controller display and it would go into standby
mode. Indoor unit (B) would continue to operate in heat-
ing mode.
*
During use of the heating mode, the top of the indoor
unit may become warm, but this is due to the fact that
coolant is circulated through the indoor unit even when
it is stopped; it is not a malfunction.
Unit number (usually "00")
Error code
ex. Self-diagnosis check
will be shown on the re-
Heating mode and cooling mode (or dry mode)
Heating mode and fan mode
Cooling mode and dry mode
Cooling mode and fan mode
Dry mode and fan mode
will be shown on the unit (A)
En-16
9/2/2010 2:59:03 PM
9/2/2010 2:59:03 PM

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