Heidolph Laborota 4000 efficient Mode D'emploi page 123

Fault/Message
Motorised lift does not work
No evacuation
Inadequate vacuum
Instrument switches off
unexpectedly
(Laborota 4002 / 4003)
Instrument switches off
unexpectedly
(Laborota 4002 / 4003),
Display shows SAFE
1.02
Cause
Main power switch turned off
Main power switch defective
Fuse defective
Lift is in end position
Mechanical or motor defect
Vertical stop not correctly set
VAC Senso T / Rotavac vario
control power not switched on
Fuse defective
System not sealing properly
Vacuum pump defective
Timer is programmed
Fuse defective
Emergency shutdown of
Laborota 4002 / 4003 control
when a pressure of 1100 mbar is
detected
Table 7-1: Troubleshooting
Laborota 4000/4001 efficient, 4010/4011 digital, 4002/4003 control
Faults and troubleshooting
Remedy
Turn on main power switch
Contact service
Replace fuse (see chapter
8.2, page 124)
Use other arrow button
Contact service
Adjust height (see chapter
4.5.7, page 94)
Turn power switch on
Replace fuse (see chapter
8.2, page 124)
Check seals and connections
Check ground connections,
grease if required
Consult manufacturer's
documentation of vacuum
pump
Check or disable timer (see
chapter 6.5.2, page 116)
Replace fuse (see chapter
8.2, page 124)
Press any button to restore
the Laborota 4002 / 4003
control to its initial state
Calibrate vacuum sensor
(see chapter 8.1.1, page 122)
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