Appendix
68
Error code Description
Solution
•
Check condenser for soiling and clean
as necessary.
•
Switch off the device at the mains
switch, wait 4 seconds and then switch
the device on again.
•
For water-cooled units: Check cooling
water temperature and supply.
•
If the fault has not been remedied,
contact Technical Service.
-431
Compressor defective or no voltage
on compressor.
•
Switch off device, let cool, and switch
on again.
•
If the fault has not been remedied,
contact Technical Service.
-1305
The rotational speed limit for the
heating capacity block is not reached.
Motor defective or viscosity of the
bath fluid too high.
•
Check pump setting and adjust if
necessary.
•
Check viscosity of the bath fluid and
adjust if necessary.
-1427
Pressure sensor detects excessive
condensation pressure.
•
Check ambient temperature and
reduce if necessary.
•
Check condenser for soiling and clean
as necessary.
•
Switch off the device at the mains
switch, wait 4 seconds and then switch
the device on again.
•
For water-cooled units: Check cooling
water temperature and supply.
•
If the fault has not been remedied,
contact Technical Service.