Additional Conditions - Heidolph Hei-VAP Precision Manuel D'utilisation

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Errors and Troubleshooting
Error / message
No evacuation
Insufficient vacuum
Unit suddenly switches off
(Hei-VAP Precision and
Hei-VAP Advantage)
Unit suddenly switches off (Hei-
VAP Precision)
Table 7-1: Troubleshooting table

7.2 Additional conditions

Additional conditions
Auto
accurate
nected
Vapor sensor is defective
The vapor sensor is not con-
nected
Heater can only be activated at
>0 °C
Table 7-2: Additional conditions
66
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 emergency stopped.
Check the settings in the setup menu.
Reaction
−
sensor is not con-
−
−
−
−
Change to the SETpressure mode
The current pressure value is accepted as target value, similar to
Hold/Accept in the SETpressure mode
Auto mode cannot be selected
accurate
The actual value curve "- - -" is displayed instead of the vapor tem-
perature.
The vapor temperature is not displayed in the actual value display
Remedy
Activate the power switch
Replace fuses
Check seals, tubing and
connections
Check stopcock, grease
if necessary
Observe manufacturer's
instructions of the va-
cuum pump
Check and switch off the
timer, if necessary (see
chapter 6.10.1)
Replace fuses
(see chapter 8.2)
The Hei-VAP Precision is
reset to the starting con-
dition when pressing any
key.
Calibrate the vacuum
sensor (see chapter
6.15)
Hei-VAP Precision