4.1 Troubleshooting
150 Operating Manual
The date and time are not correct. • Set the date and time by system programming.
( [000] Date & Time in 3.3.2 System
Programming)
The display is not shown well.
• Change the Display contrast level.
( 3.1.2 Personal Programming)
The MESSAGE button light lit. • Another extension left you a message waiting
indication while you were on the phone or away
from your desk.
Problem Remedy
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