Heidolph Hei-VAP, Operating Manual

Page: 44 / 96

Troubleshootimg
44
Troubleshooting
Allgemeine Fehler
Error /
message
Cause Remedy
Unit cannot be
switched on
Main plug not connected to
the main power supply
➜ Connect the main plug with the
power supply
Fuses defective or blown fuse ➜ Replace fuses (see chapter
“Assembly, Electrical
connection”)
No heating
function
Master switch is deactivated ➜ Activate main switch
Fuses defective or blown fuse ➜ Replace fuses (see chapter
“Assembly, Electrical
connection”)
Master switch is defective ➜ Contact service
The connecting cable of the
heating bath is not connected
➜ Connect the connecting cable of
the heating bath
The heater of the heating bath
is defective
➜ Contact service
The maximum temperature
limiter responded
➜ If the medium was in the
heating bath: Let the heating
bath cool and reset the
maximum temperature limiter
(see chapter Cleaning and
maintenance, Maintenance”)
➜ If the medium was not in the
heating bath:
Contact service
Drive unit is not
rotating
Master switch is defective ➜ Contact service
Speed controller is on the left
stop (Hei-VAP value)
➜ Turn the speed controller to the
right
Drive unit is defective ➜ Contact service
Fuses defective or blown fuse ➜ Replace fuses (see chapter
“Assembly, Electrical
connection”)
Motor lift is not
functioning
Master switch is deactivated ➜ Activate main switch
Master switch is defective ➜ Contact service
Fuses defective or blown fuse ➜ Replace fuses (see chapter
“Assembly, Electrical
connection”)
Lift is at end stop ➜ Activate other arrow key
Mechanical system / motor is
defective
➜ Contact service
Height stop is not set accu-
rately
➜ Perform height adjustment (see
chapter „Assembly, Glassware
sets”, section „Install the evapo-
rator flask”)