EFA SB 288 E Betriebs- Und Wartungsanleitung Seite 23

Malfunction/fault
1. Saw fails to start when switch
is pressed
(saw failure)
3. Saw starts when switch is
actuated, but runs without
power
4. Saw sometimes fails to start
when switch is actuated or
starts/shuts down with a delay
5. Excessive band wear
Schmid & Wezel
D75433 Maulbronn,
Table 1: Troubleshooting splitting saw
Possible cause
Power cable break
Microswitch (6) defective
Front/rear cover not properly
closed, or not in proper position
Power supply line not properly
connected to terminals
Motor winding defective
Electrical connection of
microswitch (6) disconnected at
front operating lever or terminal
Power line cross-section or
lengths too small
Voltage drop in supply network
Saw band insufficiently tightened
Cables loose at the terminal
Guide plate of the front guide
wheel is secured too tightly or
jammed
Tightened with incorrect torque
Page / Seite
9 / 27
Remedy
Check power supply line
In 42V model, check contactor
connection
Check switch; replace, if
necessary
Check covers and close to
establish contact
Check terminals and reconnect/
retighten
Dismantle motor, check winding;
replace, if necessary
Reconnect or replace cable or
microswitch
Check dimensions according to
Anhang A.3.5
"Leitungsquerschnitte/ Cross-
sections of lines" (S. 18) and
change, if required
Establish cause of voltage drop
and eliminate it (if required, use
Schmid and Wezel testing
equipment)
Retighten with torque wrench
Check terminals and eliminate
problem
Check for free movement; if
necessary, release with the
torque wrench and lubricate
Check with torque wrench
(torque too high)
Version / Ausführung