Heidolph Hei-VAP, Operating Manual

Page: 47 / 96

Troubleshootimg
47
Error / message Cause Remedy
The heating bath is
completely evaporated.
Please refill the heating bath
medium.
Heating bath is
completely evaporated
➜ Deactivate the unit
➜ Check if the maximum
temperature limiter has
responded. If yes, reset
(see chapter “Cleaning
and maintenance,
Maintenance”)
➜ Fill in heat transfer fluid
An illogical temperature
difference was measured
between the heating bath
sensors. The temperature
measurement is defective.
Heating bath sensor
variance > 10 K
➜ Contact service
The temperature sensor for
the heating bath control is
defective.
(hardware monitoring unit)
▪ Sensor monitoring
via hardware
▪ Heating bath sensor
is broken or short
circuited
➜ Contact service
The temperature sensor for
the heating bath control unit
is broken or bath medium
that is too hot was filled in.
▪ Heating bath sensor
is broken
▪ Heating bath is more
than 217 °C
➜ Geräte ausschalten
➜ Heating bathmedium
abkühlen lassen
➜ Contact service, falls kein
Medium eingefüllt wurde
The temperature sensor for
the heating bath control unit
is defective or bath medium
that is too cold was filled in.
▪ Heating bath sensor
short circuit
▪ Heating bath is below
0 °C
➜ Switch off units
➜ Cool the heating bath
medium
➜ Contact Service if media
was not filled in
The lift motor is defective or
blocked.
Lift end stop switch is
not reached after 10
seconds
➜ Contact service
The set safety pressure was
exceeded.
Pressure sensor safety
pressure is exceeded
➜ Deactivate the unit
➜ Check if the pressure
sensor has responded. If
yes, reset
➜ Contact service
The vacuum box is not
connected or defective.
Vacuum box is not
connected or defective
➜ Check the connection
between the vacuum box
and the evaporator.
➜ Contact service
The aeration valve is
defective.
Vacuum valve short
circuit
➜ Verbindung zwischen
Vacuumbox und
Verdampfer überprüfen
➜ Contact service