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9-3-4. Service support function
Various displays are available by setting service switches. [Operating method]
1) Check LED display is the initial status. If it is not so, set the initial status.
2) Push SW801 several times and stop it at the item that you want to check.
○:ON (○*:3 sec ON/0.5 sec OFF)●:OFF
No.
D800
(YL)
D801
(YL)
D802
(YL)
D803
(YL)
D804
(YL)
D805
(GN)
Item
Description
0
●
●
●
●
●
Error display
(Error which is occurring at present)
The error which is occurring at present is displayed. LED
goes off while an error does not occur. (Refer to table A)
1
○
●
●
●
●
Error display
(The latest error: The latest error
including this moment)
After error status was eliminated, if you want to check the error
which occurred before, call this setting and check it.
(Even after turning off the power supply once, you can recheck it.)
* This error display displays only the errors related to compressor stop.
* In the case that an error occurred at present, the same contents as
that at present is displayed. (Refer to table B)
2
●
○
●
●
●
Miswiring (mispiping) display
You can check the room judged as error by operating the miswiring
(mispiping) check. (Refer to table C)
3
○
○
●
●
●
Discharge temperature sensor
(TD) display
The detected value of the discharge temperature
(TD) is displayed. (Refer to table C)
4
●
●
○
●
●
Outdoor heat exchanger
temperature sensor (TE) display
The detected value of the outdoor heat exchanger temperature sensor
(TE) is displayed. (Refer to table C)
5
○
●
○
●
●
Suction temperature sensor
(TS) display
The detected value of the suction temperature sensor
(TS) is displayed. (Refer to table C)
6
●
○
○
●
●
Outside temperature sensor
(TO) display
The detected value of the outside temperature sensor
(TO) is displayed. (Refer to table C)
7
○
○
○
●
●
Current display
The current value which flows to the outdoor unit is displayed.
(Refer to table C)
8
●
●
●
○
●
Compressor operation frequency
display
The operation frequency of the compressor is displayed.
(Refer to table C)
9
○
●
●
○
●
PMV opening display
(unit A)
The opening of PMV (Electronic expansion valve) is displayed.
(Refer to table C)
10
●
○
●
○
●
◎
PMV opening display
(unitB)
The opening of PMV (Electronic expansion valve) is displayed.
(Refer to table C)
11
○
○
●
○
●
PMV opening display
(unit C)
The opening of PMV (Electronic expansion valve) is displayed.
(Refer to table C)
12
●
○
○
○
●
Gas temperature sensor (TG)
display (unit A)
The detected value of the gas temperature sensor (TG) is displayed.
(Refer to table C)
13
○
○
○
○
●
Gas temperature sensor (TG)
display (unit B)
The detected value of the gas temperature sensor (TG) is displayed.
(Refer to table C)
14
●
●
●
●
○
Gas temperature sensor (TG)
display (unit C)
The detected value of the gas temperature sensor (TG) is displayed.
(Refer to table C)
15
○
○
●
●
○
Indoor suction temperature
sensor (TA) display (unit A)
The detected value of the indoor suction temperature sensor (TA)
is displayed. (Refer to table C)
16
●
●
○
●
○
Indoor suction temperature
sensor (TA) display (unit B)
The detected value of the indoor suction temperature sensor (TA)
is displayed. (Refer to table C)
17
○
●
○
●
○
Indoor suction temperature
sensor (TA) display (unit C)
The detected value of the indoor suction temperature sensor (TA)
is displayed. (Refer to table C)
24
●
●
●
○
○
Indoor heat exchanger temperature
sensor (TC/TCJ)
display (unit A)
The detected value of the indoor heat exchanger temperature sensor
(TC) is displayed.
Only while you press the SW802, the detected value of the indoor
heat exchanger temperature sensor (TCJ) is displayed. (Refer to table C)
25
○
●
●
○
○
Indoor heat exchanger temperature
sensor (TC/TCJ)
display (unit B)
The detected value of the indoor heat exchanger temperature sensor
(TC) is displayed.
Only while you press the SW802, the detected value of the indoor
heat exchanger temperature sensor (TCJ) is displayed. (Refer to table C)
26
●
○
●
○
○
Indoor heat exchanger
temperature sensor (TC/TCJ) display
(unit C)
The detected value of the indoor heat exchanger temperature sensor
(TC) is displayed.
Only while you press the SW802, the detected value of the indoor
heat exchanger temperature sensor (TCJ) is displayed. (Refer to table C)
Display
◎:Rapid Flashing(5 times/sec) ◇:Slow Flashing(1 time /sec)
FILE NO. SVM-18051
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