Maintenance & Troubleshooting 7 - 5
8. Allow at least 10 to 30 minutes (depending on ambient temperature and humidity) for the alcohol to air dry
before applying power to cradle.
If the temperature is low and humidity is high, longer drying time is required. Warm temperature and dry
humidity requires less drying time.
Cleaning Frequency
The cleaning frequency is up to the customer’s discretion due to the varied environments in which the mobile
devices are used. They may be cleaned as frequently as required. However when used in dirty environments it
may be advisable to periodically clean the scanner exit window to ensure optimum scanning performance.
Troubleshooting
MC55
Table 7-1
Troubleshooting the MC55
Problem Cause Solution
MC55 does not turn
on.
Lithium-ion battery
not charged.
Charge or replace the lithium-ion battery in the MC55.
Lithium-ion battery
not installed
properly.
Ensure battery is installed properly. See Installing the Battery on
page 1-4.
System crash. Perform a warm boot. If the MC55 still does not turn on, perform
a cold boot. See Resetting the MC55 on page 1-7.
Rechargeable
lithium-ion battery did
not charge.
Battery failed. Replace battery. If the MC55 still does not operate, perform a
warm boot, then a cold boot. See Resetting the MC55 on page
1-7.
MC55 removed from
cradle while battery
was charging.
Insert MC55 in cradle. The 2400 mAh battery fully charges in
approximately four hours and the 3600 mAh battery charges in
approximately 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.
MC55 not powered
on.
Press the Power button.
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