Maintenance & Troubleshooting 7 - 5

Troubleshooting

MC75

Table 7-1
Troubleshooting the MC75
Problem Cause Solution
MC75 does not turn
on. Lithium-ion battery
not charged. Charge or replace the lithium-ion battery in the MC75.
Lithium-ion battery
not installed
properly.
Install the battery properly. See
Installing the Main Battery on page
1-6
.
System crash. Perform a warm boot. If the MC75 still does not turn on, perform a
cold boot. See
Resetting the MC75 on page 2-14
.
Rechargeable
lithium-ion battery did
not charge.
Battery failed. Replace battery. If the MC75 still does not operate, perform a warm
boot, then a cold boot. See
Resetting the MC75 on page 2-14
.
MC75 removed
from cradle while
battery was
charging.
Insert MC75 in cradle. The 3600 mAh battery fully charges in less
than six hours.
Extreme battery
temperature. Battery does not charge if ambient temperature is below 0°C (32°F)
or above 40°C (104°F).
Cannot see characters
on display. MC75 not powered
on. Press the
Power
button.
During data
communication, no
data transmitted, or
transmitted data was
incomplete.
MC75 removed
from cradle or
disconnected from
host computer
during
communication.
Replace the MC75 in the cradle, or reattach the communication
cable and re-transmit.
Incorrect cable
configuration. See the system administrator.
Communication
software was
incorrectly installed
or configured.
Perform setup. Refer to the MC75 Integrator Guide for details.
No sound. Volume setting is
low or turned off. Adjust the volume. See
Adjusting Volume on page 2-10
.