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Symptom
Streaky display on the LCD control panel screen occurred upon turning the main power SW on after
installation.
Cause
The connector on the Control Panel Cable which connects to the Main Controller PCB 1 was inserted
askew.
Service work
Properly insert the connector on the Control Panel Cable.
Title
No display appears on Control Panel LCD due to poorly connected interface cable at power-on
Symptom
When turning the power on, the control panel LCD may have no display.
Cause
Because the contact surface [a] of the interface cable found on the back of the control panel is not securely
fitted as shown in the photo [B]. The photo [A] shows the state that the cable is properly inserted.