Heidolph Hei-VAP Precision Manuel D'utilisation page 74

EN
Errors and Troubleshooting
Error / message
error text
The temperature sensor for the
heating bath control unit is
broken or bath medium that is
too hot was filled in.
The temperature sensor for the
heating bath control unit is
defective or bath medium that is
too cold was filled in.
The lift motor is defective or
blocked.
The set safety pressure was
exceeded.
The vacuum box is not con-
nected or defective.
The aeration valve is defective.
The vacuum valve is not con-
nected or defective.
The vacuum valve is defective.
The vacuum pump is not con-
nected or defective.
The rotation drive was over-
loaded or is defective.
Table 7-3: Troubleshooting table - Hei-VAP Precision
68
Cause
−
Heating bath sensor is broken
−
Heating bath is more than 217 °C
−
Heating bath sensor short circuit
−
Heating bath is below 0 °C
−
Lift end stop switch is not reached
after 10 seconds.
−
Pressure sensor safety pressure is
exceeded.
−
Vacuum box is not connected or
defective
−
Vacuum valve short circuit
−
The vacuum valve is not con-
nected
−
The connection between the va-
cuum box and the vacuum valve is
interrupted
−
The vacuum valve is short cir-
cuited
−
The vacuum pump is not con-
nected
−
The connection between the va-
cuum box and the vacuum pump
is interrupted
•
Drive unit is defective
•
Motor overload shutdown
Remedy
Contact service
Contact service
Contact service
Deactivate the unit
Check if the pressure
sensor has responded. If
yes, reset (see chapter
8.1.1)
Contact service
Check the connection
between the vacuum box
and the evaporator.
Contact service
Contact service
Connect the vacuum
valve
Check the connection
between the vacuum box
and the vacuum valve.
Replace the vacuum
valve
Connect the vacuum
pump
Check the connection
between the vacuum box
and the vacuum pump.
Deactivate the unit
Stop drive unit for cooling
down
Contact service
Hei-VAP Precision