Model T1239 (Mfd. Since 09/17)
-15
-
Troubleshooting
Symptom
Possible Cause
Solution
Motor does not
start or a breaker
trips.
1. Power supply circuit breaker
tripped or fuse blown.
2. Wiring open/has high resis-
tance.
3. Motor brushes worn.
4. ON/OFF trigger broken.
1. Reset circuit breaker or
replace fuse.
2. Check/fix broken, discon-
nected, or corroded wires.
3. Inspect/replace both motor
brushes (
Page 14).
4. Replace.
Motor overheats.
1. Motor overloaded.
1. Allow motor to cool; reduce
load on motor.
Machine stalls or is
underpowered.
1. Excessive pressure against
work surface.
2. Sandpaper grit too aggressive
for sanding pad speed.
3. Connection between sanding
head and sanding pad worn.
4. Motor brushes worn.
1. Reduce work surface pres-
sure.
2. Use less-aggressive sand-
paper grit; increase sanding
pad speed.
3. Replace gear cap (
Page 14).
4. Inspect/replace both motor
brushes (
Page 14).
Dust collection
not functioning
properly.
1. Dust hose connections/fittings
loose.
2. Dust clogging dust hose.
3. Not enough air flow to dust col-
lector.
4. Inadequate dust collection.
1. Tighten dust hose connec-
tions/fittings.
2. Disconnect and clean dust
hose and extenson tube.
3. Adjust pressure collar
hole opening on dust hose
(
Page 10).
4. Ensure dust collection sys-
tem provides enough suc-
tion force for application.
Sandpaper will not
attach to sanding
pad.
1. Sandpaper backing worn.
2. Sanding pad hook & loop sur-
face is worn.
1. Replace
sandpaper
(
Page 11).
2. Replace
sanding
pad
(
Page 13).
SECTION 6: SERVICE
Summary of Contents for T1239
Page 20: ......
