Indoor heat exchanger temperature (TCJ) display
The detected value of the indoor heat exchanger temperature sensor (TCJ)
is displayed.(Refer to C)
Discharge temperature sensor (TD) display
Detected value of the discharge temperature (TD) is displayed.
(Refer to C)
Outdoor heat exchanger temperature sensor (TE) display
Detected value of the outdoor heat exchanger temperature sensor (TE) is
displayed.(Refer to C)
Liquid temperature sensor (TL) display
The detected value of the liquid temperature sensor (TL) is displayed. (Refer to C)
Suction temperature sensor (TS) display
Detected value of the suction temperature sensor (TS) is displayed.
(Refer to C)
Outside temperature sensor (TO) display
Detected value of the outside temperature sensor (TO) is displayed.
(Refer to C)
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.
(Refer to A)

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.

LED display

D800 D801 D802 D803 D804 D805

D800

D801

D802

D803

D804

D805

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.)

(Refer to B)

D800 D801 D802 D803 D804 D805

D800 D801 D802 D803 D804 D805

D800 D801 D802 D803 D804 D805

D800 D801 D802 D803 D804 D805

D800 D801 D802 D803 D804 D805

D800

D801

D802

D803

D804

D805

Heat sink temperature sensor (TH) display

 

Detected value of the heat sink temperature sensor (TH) is displayed.

 

 

 

 

 

 

 

 

 

 

 

 

 

(Refer to C)

D800

D801

D802

D803

D804

D805

Current display

 

The current value which flows to the outdoor unit is displayed.

 

 

 

 

 

 

 

(Refer to C)

 

 

 

 

 

 

 

D800

D801

D802

D803

D804

D805

Compressor operation frequency display

 

The operation frequency of the compressor is displayed.

 

 

 

 

 

 

 

(Refer to C)

 

 

 

 

 

 

 

D800

D801

D802

D803

D804

D805

PMV opening display

 

The opening of PMV (Electronic expansion valve) is displayed.

 

 

 

 

 

 

 

(Refer to C)

 

 

 

 

 

 

 

D800

D801

D802

D803

D804

D805

Indoor suction temperature sensor (TA) display

 

The detected value of the indoor suction temperature sensor (TA) is

 

 

 

 

 

 

 

 

 

 

 

 

displayed.

(Refer to C)

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.

(Refer to C)

D800

D801 D802 D803 D804 D805

: 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.

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Toshiba RAV-SM1403AT-E1 service manual LED display switching Display switching list

RAV-SM1403AT-E1 specifications

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