Troubleshooting - VWR International DUO SAS 360 Contact Instruction Manual

Troubleshooting

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