Elektra Beckum PK 255 3 - Manual (Page 16)

2.14
PK 255
Troubleshooting
A
Danger!
Before carrying out any fault service or main-
tenance work always:
- Switch machine OFF.
- Unplug power cable.
-
Wait for saw blade to come to standstill.
Check that all safety devices are operational again
after each fault service.
Motor does not run
Undervoltage relay
tripped by power failure. Switch on again.
No supply voltage. Check cables, plug, out-
let and mains fuse.
Motor overheated, e.g.
by
- a dull saw blade
- too high a feed rate
-
sawdust build-up in
housing.
Eliminate cause for
overheating, wait for a
few minutes, then start
saw again.
Reverse rotation of saw blade
(three-phase motor only)
No supply voltage. Interchange phases
(see „Assembly and
connection“
Loss of cutting performance
Saw blade dull (possibly
tempering marks on
blade body). Replace saw blade (see
section „Maintenance“).