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8) Troubleshooting
In the case of suspected failures, stop using it immediately and check the following.
Phenomenon
Cause and handling
Pilot lamp of control unit is not lit.
• Is the primary power source supplied?
• Is the main circuit breaker of control unit ON?
LED fails to light when “EMISSION”
switch of control unit is pressed.
• Is the key switch ON?
• Isn’t it set to “REMOTE”?
Main screen on touch panel does not
show up.
• Is the key switch ON?
Manual operation is disabled.
• Isn’t it set to “REMOTE”?
Operation with external control is
disabled.
• Isn’t it set to “LOCAL”?
See “6) Error display” on P.46 to 48 for cases other than the above.