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• FLASHING LED
If the front panel is not on the main unit, LED (21) will be flashing.
• RESET BUTTON FUNCTION
RESET button (22) is placed on the housing and must be activated with either a
ballpoint pen or thin metal object. The RESET button (22) is to be activated for the
following reasons:
- Initial installation of the unit when all wiring is completed.
- All the function buttons do not operate.
- Error symbol on the display.
Note: If press RESET button (22), the unit can’t work yet, please use a cotton swab
soaked in isopropyl alcohol to clean the socket on the back of the front panel.