Service Support Functions (Led Indication, Switch Operation Method) - Toshiba HWS-802XWHM3-E Service Manual

16-3. Service support functions (LED indication, Switch operation method)

The following settings are available with dip switches.
(1) Overview
Using 3 dip switches (SW802, SW803, SW804) and 2 push-button switches (SW800, SW801) can make settings
available and confirm operations.
For operation
Part number Specification
SW800 Press button switch
SW803 Dip switch
SW801 Press button switch
SW804 Dip switch
SW802 Dip switch
For display
Part number Specification
Amber LED
D502
Green LED
D503
Yellow LED
D800 to D804
Green LED
D805
Note: All the LEDs have no color when off.
This switch switches the indications of LED (D800 to D804) on the outdoor control board.
This switch enables users to perform a special operation for maintenance and inspection.
This switch performs initial settings. (See 8-4-6)
Signal display (signals from the hydro unit) of communication between hydro unit and
outdoor unit (serial communication)
Signal display (signals from the outdoor unit) of communication between hydro unit and
outdoor unit (serial communication)
Abnormality indication
All OFF of SW803 or the lit status of any of D800 to D804 indicates that the outdoor
control unit detects an abnormality.
Setting SW803 to other than OFF shows details with LED indication.
Energization indication
This LED lights when the outdoor unit is energized.
During a special operation with the SW801 or SW804 operation, this LED blinks.
SW804 Special operation switch (Operations
for maintenance and inspection)
SW801
D800
D801
D802
D803
D804
D805
Operation details
Operation details
SW800
LED indication switching switch
SW803
D800
(Yellow LED)
D801 ( Yellow LED )
Abnormality indication
D802 ( )
Yellow LED
and other indications
D803 ( )
Yellow LED
D804 ( Yellow LED )
D805 ( ) ---
Green LED Energization indication
D503 ( ) ---
Green LED Serial signal (Outdoor to hydro)
D502 ( Amber LED) --- Serial signal (Hydro to Outdoor)
SW802 ---
Initial settings switching
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