Heidolph Hei-VAP Expert Operating Manual page 61

Troubleshooting
After the rotary evaporator has been switched on, it checks the attached components.
The scope of functions depends on the devices attached.
Missing
component
Control box
Vacuum valve or
vacuum pump
Vapor temperature
sensor:
AUTOaccurate
sensor
Description /
Response of the device
Control box is not
attached:
▪ Vacuum value is not
shown in display
▪ Vacuum control deacti-
vated
Vacuum valve or vacuum
pump is not attached:
▪ Vacuum control is
deactivated
The sensor for deter-
mining the vapor
temperature is not
attached:
▪ Steam temperature is
not displayed
The sensor for controlling
the automatic mode DAA
is not attached:
▪ "Automatic (DAA)"
mode is deactivated
Remedy
▪ Attach control box and components
▪ Switch the device off and then on
again
▪ Attach components
▪ Switch the device off and then on
again
▪ Attach components
▪ Switch the device off and then on
again
▪ Attach components
▪ Switch the device off and then on
again
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