Schmid & Wezel
D-75433 Maulbronn
Seite / Page
17/ 31
Ausführung / Version
10.2007
Table 1: Troubleshooting
Malfunction
Possible cause
Remedy
Turn on switch (31), the
motor does not start
1. Connection to works mains defective
Inspect the connection and
repair, as necessary
2. Circuit breaker of works mains FAULT
Inspect the circuit breaker,
switch on again or replace
3. Switch (31) defective or connection loose
Check contacts and connection,
replace switch if necessary
4. Core in lead (22) broken or defective
Inspect lead (22) and replace, if
necessary
5. Fuse (41) defective
Inspect, replace if necessary
6. Field winding (2) or armature (5) defec-
tive
Inspect, replace if necessary
7. Soft-start electronics (20) defective
Inspect, replace if necessary
8. Soft-start electronics (20) connecting
lead not correctly connected to switch (31)
Inspect and connect correctly, if
necessary
9. Carbon brushes (15) worn
Inspect, replace if necessary
(see chapter 4.3)
Turn on switch (31), the
motor starts,
motor becomes hot,
saw blade running
10. Ventilation slots in motor housing (1) or
intermediate flange (9) are closed/clogged
Clean and open ventilation slots
again, then clean the motor (e.g.
air)
11. Fan on armature (5) broken
Replace the complete armature
(5), the fan is not available as a
spare part
12. Field winding (2) or armature (5) defec-
tive
Inspect, replace if necessary
Turn on switch (31), the
motor is blocked
13. Fan on armature (5) broken
Replace the complete armature
(5),
the fan is not available as a
spare part
14. Circlip (73) of gear wheel vst (72) bro-
ken or loose
Inspect, replace if necessary
Turn on switch (31), the
motor starts
Saw blade binding
15. Interior of gear head is full of lubricating
grease (overgreased)
Completely clean the interior,
then grease all individual parts
(see chapter 6.3)
Turn on switch (31), the
motor starts Gear head
(1) becomes hot
16. Interior of gear head is full of lubricating
grease (overgreased)
Completely clean the interior,
then grease all individual parts
(see chapter 6.3)
Turn on switch (31), the
motor starts
Saw blade does not run
17. Pinion (8) broken
Inspect, replace if necessary
18. Wobble bell (75) broken
Inspect, replace if necessary
