Velleman HAA920 Notice D'emploi page 39

9.5.2 Data clearance
• To clear data per month.
• Check the appropriate checkboxes and click on "Clear".
10. Troubleshooting
Problem
No data in record
Setup display pops up
unexpectedly
No connection over
RS232/RS485
No connection over TCP/IP
No data in attendance report
Display shows "locked" when
trying to enter
11. Maintenance
Unplug the device from the mains and let the lamp cool down before maintenance.
•
Wipe the device with a moist soft cloth. Do not use abrasive solutions or solvents.
•
Keep the reader clean at all times. Have a scratched reader replaced by an authorized dealer.
•
19.08.2014 – v. 3
HAA920
No data collected yet
•
Incorrect set-up of the managers
•
• Date not or incorrectly set
Possibly a connection problem
•
Database already downloaded from device
•
• Baud rate of computer/device is not set to 38400
Software communication baud rate is not set to 38400
•
Machine number doesn't match
•
Communication wire is defective
•
• Software IP address is wrong
Machine number doesn't match
•
Communication password wrong
•
Communication cable bad
•
Check entry date
•
Check presence of user records
•
Check whether data has not been deleted
•
Check if "calculate total hour" is selected
•
Check with administrator
•
Enter users' tables of MCZN database in SQL and set field
•
"is_stopped" to 1.
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Possible reason/solution
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