Toshiba HWT-601XWHM3W-ETR Service Manual page 178

Air to water heat pump
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19-2. Service support functions (LED indication, Switch operation method)
The following settings are available with switches.
(1) Overview
Using 2 push-button switches (SW01, SW02) can make settings available and confirm operations.
For operation
Part number
Specification
SW01
Press button switch
SW02
Press button switch
For display
Part number
Specification
Yellow LED
D800 to D804
Green LED
D805
Note: All the LEDs have no colour 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.
Abnormality indication
The lit status of any of D800 to D804 indicates that the outdoor control unit detects an
abnormality.
Energization indication
This LED lights when the outdoor unit is energized.
During a special operation this LED flashes.
177
Operation details
Operation details

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