7 Troubleshooting
EN EU 430 / EU 510
High‐speed floor polishing machine
19
7 Troubleshooting
Only suitably knowledgeable, qualified professional technicians may perform repairs on the machine!
Malfunction
Cause
Rectification
The machine will not start. The voltage supply has not been
properly connected.
Connect the connecting cable
(extension cable) with a proper power
socket.
The connecting cable is defective.
Replace the connecting cable.
Faulty power supply.
Use a different power socket if ne
cessary.
The safety switch is defective.
Replace the safety switch.
The polishing pattern is
uneven.
Polishing disk is loose.
Attach polishing disk firmly.
Polishing disk is damaged or worn.
Replace polishing disk.
Insufficient dust extraction The dust bag is full.
Replace dust bag
(
!
Chapter 3.1.1, page 15).
The brush ring [10] is blocked or worn. Clean or replace brush ring.
Noisy running
(strong vibration)
Imbalance caused by improperly cent
red polishing disk
Remove polishing disk and attach it
centrally (
!
Chapter 4.3, page 17).
The machine shuts down
automatically.
The machine is overloaded.
The drive overload protection has trig
gered.
—
Reset:
a.
Wait 2 ... 3 minutes.
b.
Put the machine back into
operation
(
!
Chapter 3.1, page 15).
—
If the drive overload protection
trips repeatedly, the load on the
machine needs to be reduced:
a.
Reduce the operating
pressure
(
!
Chapter 3.1.2, page 15).
b.
Replace the polishing disk if
necessary
(
!
Chapter 4.3, page 17).
The connecting cable's cross section is
too small.
Check the connecting cable and the
extension cable and replace if ne
cessary.
Summary of Contents for EU 430
Page 48: ......
