Toshiba RAV-SM304SDT-TR Service Manual page 134

12-4-3. Service Support Function (LED Display, Switch Operation)
<SP80 only>
1. Outline
A various setup and operation check can be performed by DIP switches at 3 positions (SW802, SW803,
SW804) and the pushdown button switches (SW800, SW801) at 2 positions.
Operation part
Part No. Specifications
SW800 Pushdown button switch
SW803 DIP switch
SW801 Pushdown button switch
SW804 DIP switch
SW802 DIP switch
Display part
Part No. Specifications
D502 Orange LED
D503 Green LED
D800 to D804 Yellow LED
D805 Green LED
∗ All LED are colorless when it goes off.
D800
D801
D802
D803
D804
D805
Exchanges the displayed contents of LED (D800 to D804) on the outdoor
control P.C. board.
Performs the specific operation to check maintenance.
Performs various initial settings. (Refer to 12-4-2.)
Indoor/Outdoor communication (Serial communication) signal display
(Receive signal from indoor signal)
Indoor/Outdoor communication (Serial communication) signal display
(Send signal from outdoor signal)
Error display
When all SW803 are OFF, or when any of D800 to D804 goes on, LED
displays that the outdoor controller detects an error.
When status of SW803 is other than OFF, various indications are displayed.
Power-ON display
When the power of the outdoor unit is turned on, LED goes on.
When SW801 and SW804 operate the specific operation, LED flashes.
SW804 Specific operation switch
SW801 (Various operations during maintenance check operation)
SW800
SW803
D800 (Yellow LED)
D801 (Yellow LED)
D802 (Yellow LED)
D803 (Yellow LED)
D804 (Yellow LED)
D805 (Green LED)
D503 (Green LED)
D502 (Orange LED) : Serial signal (Indoor → Outdoor)
SW802 : Selection of various initial settings
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Operation contents
Operation contents
LED display select switch
Error display / various display
: Display while power is ON
: Serial signal (Outdoor → Indoor)