Heidolph LABOROTA 4000 up to 4003 - Manual (Page 123)

Faults and troubleshooting
1.02 Laborota 4000/4001 efficient, 4010/4011 digital, 4002/4003 control 121
Fault/Message Cause Remedy
Main power switch turned off Turn on main power switch
Main power switch defective Contact service
Fuse defective
Replace fuse (see chapter
8.2, page 124)
Lift is in end position Use other arrow button
Mechanical or motor defect Contact service
Motorised lift does not work
Vertical stop not correctly set Adjust height (see chapter
4.5.7, page 94)
VAC Senso T / Rotavac vario
control power not switched on
Turn power switch on No evacuation
Fuse defective Replace fuse (see chapter
8.2, page 124)
System not sealing properly Check seals and connections
Check ground connections,
grease if required
Inadequate vacuum
Vacuum pump defective Consult manufacturer's
documentation of vacuum
pump
Timer is programmed Check or disable timer (see
chapter 6.5.2, page 116)
Instrument switches off
unexpectedly
(Laborota 4002 / 4003)
Fuse defective Replace fuse (see chapter
8.2, page 124)
Instrument switches off
unexpectedly
(Laborota 4002 / 4003),
Display shows SAFE
Emergency shutdown of
Laborota 4002 / 4003 control
when a pressure of 1100 mbar is
detected
Press any button to restore
the Laborota 4002 / 4003
control to its initial state
Calibrate vacuum sensor
(see chapter 8.1.1, page 122)
Table 7-1: Troubleshooting