Service manual

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Trial Operation
Service Support Function
3) Clearing of check code alarm by resetting power source
NOTE:
Even if the lock alarm related to the indoor unit is cleared by resetting power source of the
outdoor unit, ALL STOP lock status of whole system is not released.
Remote controller identification function
Where many outdoor units are installed it is possible to determine the remote controller
connected to a particular outdoor unit by using the P.C. board of the inverter type outdoor unit.
(Identifying procedure)
Be sure to reset both power sources of outdoor/indoor units.
Both power OFF
 Turn on power of the outdoor unit first, then
indoor units.
Operation
7 Segment LED
[
A
]
7 Segment LED
[
B
]
SW01, 02, 03: Rotary switch
SW04, 05: Push switch
SW08: Dip switch
Set the display select switches on interface P.C. board of
the inverter outdoor unit, SW01to 2 ,SW02 to 4", and
SW03 to 1.
Push the push-switch SW04 on interface P.C. board of
the inverter outdoor unit for 2 seconds or more.
NON-PRIORITY display on the connected remote controller
flashes. Display on the 7 segment LED B on the interface
P.C. board of the inverter outdoor unit indicates 11.
Push the push-switch SW04 or SW05 on interface
P.C. board of the inverter outdoor unit for 2 seconds
or more.
Check of connected remote controller
Completion
Power ON