21
Troubleshooting
Review the information in the table below to troubleshoot operating problems.
Problem Cause Solution
Unit does not start
Battery is low
Recharge battery
Battery charger is not working
Check battery charger and replace if
required (Cat. No. 710-0993)
Battery is too old
Check battery and replace if required
Battery discharges after few minutes
working
Battery is low
Recharge battery
Battery charger is not working
Check battery charger and replace if
required (Cat. No. 710-0993)
Battery is too old
Check battery and replace if required
“LOW BATTERY” message
Battery is low
Recharge battery
“CAL EXPIRED” message
Instrument needs to be calibrated
Send the instrument to VWR International
VWR or an authorised dealer
Infrared remote switch doesn’t switch
on the unit
Remote control battery is low
Replace infrared remote battery
Microbiological media is dehydrated
after sampling
Media is corrupted
Check expiration date of media and if the
agar was not dehydrated before sampling
Sampling time is too long
Shorten the sampling time
ENGLISH
