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18. Troubleshooting
Problem
Possible solution
The computer does
not recognize the data
logger.
Check whether “USB” is shown on the data logger after plug in. If so, plug into an
another USB port.
Check whether the usage of USB mass storage device function on your computer is
enabled.
No PDF file is generated.
Check whether data logger has been recognized by your computer.
Check whether your computer is displaying the data logger as a new mass storage
device.
Check whether data logger is upgrading the firmware
(please refer to "16. Upgrade firmware" on page 52 ).
Unrealistic information
on the LC display.
Reset the data logger to firmware (please refer to "17. Reset to default firmware" on
page 52).
Button ENTER /DOWN
does not response
although pressed.
LC display is off.
Check whether the LC display is disabled during configuration
(please refer to "Other settings" on page 43).
Replace the battery.
No LED alarm.
Check whether the LED alarm is disabled in the configuration file
(please refer to "Other settings" on page 43).
Check whether the alarm has been paused (please refer to "e) Activate/deactivate
limit alarm pause function" on page 50).
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