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Appendix A - Solving Problems
If you suspect a malfunctioning unit follow the steps described below before
contacting MCC for additional assistance.
Problem:
Unit does not display the sign-on message on the internal LCD display at
Power-up.
Solution:
1. Check the unit power supply. If the power switch is in the ON position, the
unit is powered by the internal 9V battery. Check and replace a faulty battery.
2. If the switch is in the EXTernal position, the unit can be powered by 5V
ACCESS.bus power, the Test Cable A.bV external power lead, or an external
5V wall transformer. Check and replace any faulty power source.
Problem:
Unit does not display the sign-on message on the Serial Link at Power-up.
Solution:
1. Check the Serial Link at unit and Host system.
2. Confirm that the unit and Host system are communicating at the same baud
rate and with the proper communication parameters.
Solving Problems
