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D800 D801 D802 D803 D804 D805
D800 D801 D802 D803 D804 D805
LED display Control contents
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.
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.)
* In the case that an error occurred at present, the same contents as that at
present is displayed.
* TO sensor error only is not displayed in this setting.
(Check setting which is occurring at present.)
D800 D801 D802 D803 D804 D805 Discharge temperature sensor (TD) display
Detected value of the discharge temperature (TD) is displayed.
D800 D801 D802 D803 D804 D805 Outdoor heat exchanger temperature sensor (TE) display
Detected value of the outdoor heat exchanger temperature sensor (TE) is
displayed.
D800 D801 D802 D803 D804 D805 Liquid temperature sensor (TL) display
The detected value of the liquid temperature sensor (TL) is displayed.
D800 D801 D802 D803 D804 D805 Suction temperature sensor (TS) display
Detected value of the suction temperature sensor (TS) is displayed.
D800 D801 D802 D803 D804 D805 Outside temperature sensor (TO) display
Detected value of the outside temperature sensor (TO) is displayed.
D800 D801 D802 D803 D804 D805 Heat sink temperature sensor (TH) display
Detected value of the heat sink temperature sensor (TH) is displayed.
D800 D801 D802 D803 D804 D805 Current display
The current value which flows to the outdoor unit is displayed.
D800 D801 D802 D803 D804 D805 Compressor operation frequency display
The operation frequency of the compressor is displayed.
D800 D801 D802 D803 D804 D805 PMV opening display
The opening of PMV (Electronic expansion valve) is displayed.
D800 D801 D802 D803 D804 D805 Indoor suction temperature sensor (TA) display
The detected value of the indoor suction temperature sensor (TA) is
displayed.
D800 D801 D802 D803 D804 D805 Indoor heat exchanger temperature sensor (TC) display
The detected value of the indoor heat exchanger temperature sensor (TC)
is displayed.
D800 D801 D802 D803 D804 D805 Indoor heat exchanger temperature (TCJ) display
The detected value of the indoor heat exchanger temperature sensor (TCJ)
is displayed.
(Refer to A)
(Refer to B)
(Refer to C)
(Refer to C)
(Refer to C)
(Refer to C)
(Refer to C)
(Refer to C)
(Refer to C)
(Refer to C)
(Refer to C)
(Refer to C)
(Refer to C)
(Refer to C)

9-3-3. Service support function (LED display, service switch operating method)

1. LED display switching

1-1. Display switching list

The displayed contents of LED D800 to D805 on the outdoor P.C. board can be switched by handling the

service switches SW800 and SW801.

[Operating method]

1) Check LED display is the initial status. If it is not so, set the initial status.

2) Push SW800 several times and then stop it at the point where LED display to be indicated.

: ON, : OFF, : Rapid flashing (5 times/second)

3) Pushing SW901 changes item to one to be displayed.

4) To see other display contents, repeat items 1) to 3).

5) To finish LED display, be sure to execute item 1) to return LED to the initial status (error display of current

occurrence) and then finish LED display.