Heidolph Hei-VAP Expert Operating Manual page 63

Troubleshooting
Error messages on display
Error
A data bus error has occurred.
Switch the device off and on again
Error
A temperature above the safety
temperature was measured in the
heating bath. The temperature
measurement unit is defective or
the medium filled in was too hot.
Switch the device off and on again!
Error
An implausible temperature differ-
ence was measured between the
heating bath sensors. The tempera-
ture measurement unit is defective.
Switch the device off and then on
again
Error
The temperature sensor for the
heating bath control is defective
(hardware monitoring unit).
Switch the device off and on again
Error
The temperature sensor for the
heating bath control is broken or
the filled in bath fluid is too hot.
Switch the device off and on again
Error
The temperature sensor for the
heating bath control has shorted or
the bath fluid was added too cold.
Switch the device off and on again
Error
The lift motor is defective or has
jammed!
Switch the device off and on again
Error
The pressure exceeds the maximum
permissible excess pressure!
Error
The set safety pressure was
exceeded.
Cause
Error in data bus,
e.g. a bus node was
disconnected during
operation.
Heating bath tempera-
ture is too high or the
temperature measure-
ment unit is defective.
Error in tempera-
ture measurement of
heating bath
Heating bath control is
defective, perhaps due
to short circuit
Heating bath control is
defective or tempera-
ture in the heating bath
>217°C
Heating bath control
is defective, perhaps
due to short circuit or
temperature <0 °C
Defective or jammed
lift motor
Pressure in the vacuum
system is too high
Pressure in the vacuum
system is too high
63
Remedy
▪ Switch the device off
and on again!
▪ Let the heating bath
cool down
▪ Switch the device off
and on again
▪ Contact service
Switch the device off
and then on again
▪ Switch the device off
and on again
▪ Contact service
▪ Let the heating bath
cool down
▪ Switch the device off
and on again
▪ Contact service
▪ Heat up heating bath
▪ Switch the device off
and then on again
▪ Contact service
▪ Switch the device off
and on again
▪ Contact service
▪ Reduce pressure in
the vacuum system
▪ Reduce pressure in
the vacuum system
▪ If required, adjust
the set maximum
pressure