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1-6
TROUBLESHOOTING
1.1.3 Checking by 7-Segment Display
(1) Simple Checking by 7-Segment Display
1
Turn on All Indoor Unit(s)
All the Indoor Unit(s) Connected to the Outdoor Unit
During auto-addressing, the following items can be checked using the
outdoor unit's on-board 7-segment LED display.
(1) Disconnection of power supply to the indoor unit.
(2) Disconnection of the operating line between the outdoor and
indoor unit(s).
In this case, "03" appears after 30 seconds.
(3) Duplication of indoor unit number. After turn ON by remote control switch,
see Alarm Code 35. (Twin Type Only)
Outdoor Unit
Printed
Circuit Board
PCB1
2
Turn on the Outdoor Unit
3
Auto-addressing Starts
Normal
Case
(1) The outdoor unit's on-board 7-segment LED display is not indicated.
continues to flash after 30 seconds.
Abnormal
Case
(2) The outdoor unit's on-board 7-segment LED display indicates as follows if there is something wrong.
(A) The indoor unit(s) are not
supplied with power.
(B) Disconnection of the
operating line between the
outdoor and indoor unit(s).
(C) Duplicated settings of the indoor unit number DIP switch DSW1 (Refer to the description of
alarm code "35", in the item 1.2.2, "Troubleshooting by Alarm Code". [Twin Type Only])
continues to flash after 30 seconds.
Содержание Utopia PAS-3HVRG
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