Troubleshooting
76
Err Pb
The powerbase is not communicating with the N-200.
Disconnect the powerbase from AC power, turn the N-200 off
and back on again, and reconnect the powerbase to AC power.
If this does not solve the problem, contact qualified service
personnel.
Note: The instrument will clear the Err Pb message if any
front-panel button is pushed while the N-200 displays
Err Pb, but rear-panel buttons and connectors may
not operate properly.
Err 1
Defective data memory. Contact qualified service personnel.
Err 2
Defective program memory. Contact qualified service
personnel.
Err 3
WARNING: Continue to use the N-200 only in an urgent
situation and only if the defective segment or segments
have been identified. If a defective segment cannot be
identified, do not continue to use the N-200.
Defective display or indicator, or possibly a circuit malfunction.
Contact qualified service personnel.
Note: The N-200 may operate if any front-panel button is
pressed while Err 3 is showing. However, if any
numeric display segment or indicator is missing, the
display or warning indicators may be incorrect.
Err 4
The N-200 lost power without going through the normal
shutdown procedure. Turn the ON/STDBY switch to STDBY
and back to ON. Contact qualified service personnel if error
persists.
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