Troubleshooting
MAINTENANCE
91
e The control panel does not respond when the screen is touched.
NO
NO
NO
YES
YES
YES
Interference is occurring between
the touch panel and the front panel.
Calibration failure of the touch panel
Correct the attachment of the LCD
module.
Calibrate the touch panel.
See “2-4-3. Calibrating the Touch
Panel.”
The cable in the control panel is
connected properly.
Connect the cable securely.
Failure of the LCD module
Failure of the LCD display board
r No audible alarm is given.
YES
NO
YES
NO
The speaker is damaged.
Failure of the LCD display board
Failure of the speaker
Connect the connector securely.
The connector of the speaker in the
control panel is connected properly.
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