AN279
Rev 0.7 | 29/32
www.hoperf.com
7 FAQ
Below shows some common questions and solutions.
Table 18. Common questions and solutions
No.
Abnormal situation
Cause and solution
1
LCD appears one of the 4 following
meassges
：
1.
Low Battery, Pls Press SAVE key
；
2.
Low Battery, Pls Replace Battery
；
3.
No Battery, Pls Press SAVE key
；
4.
No Battery, Pls Replace Battery
Reason
：
Low battery or no battery in writer
Solution
：
After pressing the "Save" key, replace the
button battery under the LCD screen which is inside
the burning device to save the burning count.
2
The LCD screen displays a string of black
squares without correct characters
Reason
：
The power supply is not properly
connected during power-on.
Solution
：
Power off the power and wait a few
seconds before powering it on again. If the fault
persists, contact technical personnel for support.
3
LCD appears
：
CFG CHK ERR1 …
Reason
：
Configuration data of the Checksum is
incorrect.
Solution
：
Use WriterConfig to re-download the
configuration file
4
Computer pop up dialog when
WriterConfig is downloading parameters
：
The version between Writer Config and
Offline-Writer does not match, please
update the Writer Config version.
Reason
：
The software version of WriterConfig (for
example, Vx.y.z) does not match the Firmware
version of the Writer burner (for example, abc.App).
That is, the software version of the xyz combination
does not match the firmware version of the abc
combination.
Solution
：
Update to the latest version of
WriterConfig or the two match versions to
WriterConfig.
5
LCD display: com fail
Reason:
The chip is not properly placed
Solution
：
Reposition the chip; Make sure the white
dot of the chip corresponds to the triangle orientation
(as shown below).
6
Burning fail
Reason
：
It may be caused by abnormal voltage
Solution
：
Measure a
nd check
the voltage. The
normal voltage between VPP and GND of the
burning socket should be 6.5V; the voltage
between VDD and GND should be 3.9V. Specific
voltage measurement points are shown in Figure
18.
