Troubleshooting
9
Tips for operators and service technicians
Any repairs exceeding routine maintenance may only be carried out by qualified personnel or our
service.
De-energise the unit prior to working on it or in the event of potential danger (e. g. pull the mains
plug) and prevent it from being switched back on again.
Error
Possible cause
Remedy
Unit does not start
No power supply voltage
❯
Inform an electrician. Check
mains fuse and if possible,
switch on unit again.
Undervoltage or overvoltage
❯
Inform an electrician. Measure
power supply voltage.
Motor defective
❯
Replace the unit.
Air intake filter blocked
❯
Insert a new air intake filter.
Reduction in air flow
Lines, hoses or connections
leaking
❯
Inform a service technician.
Check / renew lines, hoses or
connections.
Air intake filter soiled
❯
Replace the air intake filter at
least 1x per year.
Unit too noisy
Bearing damaged
❯
Inform a service technician.
Vibrations are being transmitted
to the housing
❯
Use suitable vibration
dampers.
Defective vibration dampers
❯
Install new vibration dampers.
Troubleshooting
1035200220L02 1911V002
25
EN
