Heidolph Hei-VAP Core Betriebsanleitung Seite 79

Troubleshooting
Malfunctions and troubleshooting

Errors at the
device
▪ The device
cannot be
switched on
▪ Display remains
dark after
switching on
Device does not
heat
Drive does not turn
Motor lift does not
run
No vacuum
Vacuum insufficient
Troubleshooting
Possible cause
No power supply
Fuse defective
ON/OFF switch Off
ON/OFF switch defective
Connecting cable to
heating bath is not
attached
Bath heating defective
Overheat protection
activated
Rotation is switched off
Drive defective
Lift is at end stop
Lift is at height stop
Mechanics / motor
defective
ON/OFF switch at the
vacuum pump off
Vacuum valve defective
Leak in system
Vacuum pump defective
Remedy
Check that the power cord plug is
connected properly to the power
socket and the device
Replace device fuses (see chapter "
Assembly, Electrical Connection ")
Switch ON/OFF switch on
Contact local dealer
Attach connecting cable
Contact local dealer
▪ Let the heating bath cool down
▪ Emptying the heating bath
▪ Reset overheat protection
(see the following section
"Resetting the temperature
limiter")
Press rotation knob
Contact local dealer
Move lift in the opposite direction
Change height stop
Contact local dealer
Switch ON/OFF switch on
Replace vacuum valve
▪ Check seals and connections
▪ Check ground glass joints, grease if
necessary
Follow information from the vacuum
pump manufacturer
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