Heidolph Hei-VAP Precision Originalbetriebsanleitung Seite 43

General errors /
message
No evacuation
Insufficient vacuum
Unit suddenly
switches off
Tabelle 7-1: Error codes
Additional conditions
Error / message
AUTOaccurate sensor is
not connected
Vapor sensor is
defective
The vapor sensor is not
connected
Heater can only be
activated at > 0 °C
Table 7-2: Additional conditions
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Troubleshootimg
Cause
Power switch Rotavac vario
control or Rotavac vario tec is
not activated.
Vacuum valve is defective
Fuses defective or blown fuse
System leaks
Vacuum pump is defective
Timer is programmed
Fuses defective or blown fuse
When pressure is detected,
the Hei-VAP Precision is emer-
gency stopped.
Check the settings in the
setup menu.
Reaction
▪ Change to the SET pressure mode
▪ The current pressure value is accepted as target value,
similar to Hold/Accept in the SET pressure mode
▪ AUTOaccurate mode cannot be selected
▪ The actual value curve "- - -" is displayed instead of the
vapor temperature.
▪ The vapor temperature is not displayed in the actual value
display.
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Remedy
➜ Activate the power switch
➜ Replace fuses (see chapter
"Assembly, Electrical
connection")
➜ Check seals, tubing and
connections
➜ Check stopcock, grease if
necessary
➜ Observe manufacturer's
instructions of the vacuum
pump
➜ Check and switch off the
timer, if necessary (see
chapter „Operation, Timer
functions")
➜ Replace fuses (see chapter
"Assembly, Electrical
connection")
➜ The Hei-VAP Precision is reset
to the starting condition when
pressing any key.
➜ Calibrate the vacuum sensor
(see chapter „Operation"
„More functions")
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