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15. Appendix
A. Customer, Retailer Misjudgment
Before attempt repairing the unit, make sure the type of reported failure could be clearly
reproduced; otherwise, check with the customer or distributor once again to identify the problem
correctly. The following are failure symptoms that are typical by misjudgment
No.
Item
No Power even the
1
power button is pressed
2
Battery discharges
quickly
3
Battery cannot be
charged
4
Cannot make
communications via
mobile phones through
exclusive cable.
HTC confidential
© 2001, HTC Corporation. All rights reserved.
Main Battery low power exhausted.
While Back Light is turned OFF, the surrounding lighting will be
reflected on the panel and in a dim location, it looks like the unit is
turned OFF.
According to the Power Management settings, the units will be
switched OFF automatically.
The battery life depends on the devices being used in SD Card
Slot, and frequency of use of the Back light. These functions
consume a lot of energy.
Operating with front light ON, or using high energy consumption
devices such as SD Memory Card will drain out the battery pack
faster.
Using AC adapter that is NOT supplied with the unit.
Charging the battery while operating the unit with heavy loadings
could cause the temperature inside the unit to build up which
could cause the unit stop charging. At this moment, the LED
indicator will flash Yellow to notify user that the charging has
been stopped. Or the temperature is extremely low will also stop
charging.
Since the extreme high or low temperature will cause the battery
to discharge quickly, it has been designed to cut battery charge
below 0℃ and above 35~40℃ to protect the battery pack.
If the unit could pass the test with Loop back Interface card, the
possibility of unit malfunction becomes low. Then the following
items could be the reason of problem such as location, timing,
signal strength, service provider's mixed up, or problem with the
mobile itself. Or could be incompatibility issue.
Possibility
TOTAL 84
CONT.ON. 83 PAGE NO. 82
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