STP-301/451 Series Instruction Manual
11-2
Troubleshooting
11.2 When Error Message is displayed
11.2.1 Error Messages
When an abnormality occurs, the "FAILURE" lamp illuminates and the LCD displays an
error message.
If an ampersand "&" is shown at the right of the error message, it indicates that more than
one error occurs. In this case, press the "SELECT" switch to display another error message.
(The "SELECT" switch can also be used during remote operation.)
Example)
DISTURBANCE &
POWER FAILURE &
Press “SELECT” Switch
Press “SELECT” Switch