Sanyo SPW-CR1503GDYH8 Technical Data & Service Manual page 288

1. Test Run
ITEM SELECT
SW (S7) SW (S8)
0~F 1~4
1 1~4 Display of connected
indoor unit
2 1~4 Display of connected
indoor unit in
operation
3 – Display of the number
of connected outdoor
units
4
– Display of alarm
history
5
1~4 Display of oil level
monitor
6 Display of alarm
1~4
history for outdoor
unit
7 Explanation for MESSAGE LED (Horizontal LED red, 8 lamps / vertical LED red, 4 lamps)
¶ It normally indicates the number of connected indoor units (up to 32 units). Refer to Fig. 1-9 for example of display.
¶ In case of outdoor unit and CCU alarm, both outdoor alarm LED (yellow) and CB alarm LED (yellow) light up and
alarm messages are displayed on LED as shown in Fig. 1-10.
¶ Outdoor unit alarm display includes alarm messages on 8 horizontal LED lamps and outdoor unit number causing the
alarm on 4 vertical LED lamps.
(vertical LED 1 lights up: outdoor PC unit alarm / vertical LED 2 and 3 light up: outdoor AD unit, alarm for unit No. 2 and No. 3)
¶ In case of CCU alarm, all vertical LED lamps are off and only 8 horizontal LED lamps display alarm messages.
¶ If outdoor alarm LED (yellow) is OFF, any of vertical LED 1 - 3 lights up, and 8 horizontal LED lamps blink, it is not
displayed on the remote controller due to temporary protective operations generated by outdoor unit. After releasing
the protective operations, the number of connected indoor units is displayed.
<LED display example of the number of
connected indoor unit>
(Note) O: light ON
The example below indicates 20 units.
4 32 31 30 29 28 27 26 25
3 O 24 23 22 21 20 19 18 17
2 16 15 14 13 12 11 10 9
1 8 7 6
Item
RUN / ALARM LED
RUN / ALARM LED
display does not affect
monitored information.
: light OFF
5 4 3 2 1
O O O O
Fig. 1-9
V - 5
Message displayed
MESSAGE LED
Vertical LED : Lights up starting from 1 in sequence by
pressing the Select switch each time
Horizontal LED : Lights up in accordance with connected
unit on the vertical LED (blinks if the
indoor unit has an alarm)
Vertical LED : Lights up starting from 1 in sequence by
pressing the Select switch each time
Horizontal LED : Lights up in accordance with connected
operating unit on the vertical LED (blinks
if the indoor unit has an alarm)
Vertical LED : OFF
Horizontal LED : Lights up the number of connected
outdoor units
Vertical LED : If alarm occurs on outdoor unit, the
unit lights up. OFF when alarm
occurs on CCU
Horizontal LED : Displays latest alarm message for
all outdoor units and CCU
Vertical LED : Lights up in accordance with outdoor
units selected with the Select SW (S8)
Horizontal LED : Displays oil level of outdoor unit
compressor indicated on the vertical
LED (same as outdoor PCB display for
parts inspection method on page).
Vertical LED : Lights up in accordance with outdoor
units selected with the Select SW (S8)
Horizontal LED : Displays latest alarm message for
outdoor unit indicated on the
vertical LED
∗ Latest alarm message can be monitored for
individual outdoor unit including the information
that can be monitored by using the Item "4".
<LED display example of outdoor unit alarm>
(Note) O: light ON
: light OFF
The example below indicates outdoor unit
No. 2 has alarm "P04".
4 32 31 30 29 28 27 26 25
3 24 23 22 21 20 19 18 17
2 O 16 15 14 13 12 11 10 9
1 8 7 6 5 4 3
O O O O
Fig. 1-10
Test Run and Others
2 1
TD831077
5