Toshiba RAS-M16PKVP-E Service Manual page 104

Service Support Function (LED Display, Switch Operation)
1. Outline
A various setup and operation check can be performed by DIP switches at 2 positions (SW801, SW802)
and the pushdown button switches (SW800) on the outdoor control P .C. board MCC-5071.
Operation part
Part No. Specifications
SW800 Pushdown button switch
SW801 DIP switch
SW802 DIP switch
Display part
Part No.
D502, D511, D517, D524, D531
D501, D508, D515, D520, D527
D800
D801 to D805
Every LED is colorless when it goes off.
Control P.C.B MCC-5071
Performs the specific operation to check maintenance and various initial settings.
Specifications
Indoor/Outdoor communication (Serial communication) signal display
Orange LED
(Receive signal from indoor signal)
Indoor/Outdoor communication (Serial communication) signal display
Green LED
(Send signal from outdoor signal)
(1) Power-ON display
When the power of the outdoor unit is turned on, D800 LED goes on.
Green LED
(2) Error display
When the outdoor controller detects some errors, some LEDs go on
or flash according to the error as described in Error display table.
(Refer to 11-6)
(3) Specific operation display
Red LED
When SW800 is pushed and a specific operation is operated, some
LEDs go on or flash.
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Operation contents
Operation contents
D502, D511, D517, D524, D531 (Orange LED)
: Serial signal (Indoor → Outdoor)
D501, D508, D515, D520, D527 (Green LED)
: Serial signal (Outdoor → Indoor)
D800 (Green LED)
D801 (Red LED)
D802 (Red LED)
D803 (Red LED)
D804 (Red LED)
D805 (Red LED)
: Error display / various display
SW800,SW801,SW802
: Specific operation switch /
Selection of various initial settings