Malfunctions, Operating Problems And Appliance Errors - Memmert VO Series Operating Manual

6.1.2 Pressure monitoring
Description
Pressure alarm and
MaxAL
are displayed
VACUUM
586
mb
Set 500
Pressure alarm and
MinAL
are displayed
VACUUM
721
mb
MinAL Set 800

6.2 Malfunctions, operating problems and appliance errors

Error description
Displays are dark
Displays cannot be
activated
Displays suddenly look
different
Door cannot be
opened
D39374 | Date 08/2018
Cause
Upper pres-
sure limit value
exceeded
In 1
mb
Pressure below
lower limit
In 1
mb
Cause of errors
External power supply
was interrupted
Miniature fuse, appliance
fuse or power module
faulty
Appliance locked by USER
ID
The appliance is in pro-
gram, timer or remote
control mode (mode
"Write" or "Write +
Alarm")
Appliance is in "wrong"
mode
Vacuum in the appliance
Malfunctions, warning and error messages
Action
Vacuum pump has too little
power. Tube may be leaking or
kinked, clean, check
Speed control damaged or
intake valve does not close cor-
rectly.
Notify customer service.
Rectifying errors
Check the
power supply
Contact customer
service
Unlock with USER ID
Wait until the end of
the program or timer
mode or switch off the
remote control
Change to operating
or menu mode by
pressing the
key
Setting the atmos-
pheric pressure
See
Page 2
See
Page
25
Page 2
Page
62
MENU
45