SRM12 TROUBLESHOOTING GUIDE
TROUBLE
POSSIBLE CAUSE
REMEDY
1. Mixer will not operate. 1.1 Timer not turned on.
1.2 Burned switch contacts.
1.3 Electrical service down.
1.4 Burned out motor.
1.5 Safety ring not mounted
or closed.
1.6 Bowl not raised.
1.1 Turn timer on.
1.2 Replace.
1.3 Check electrical service.
Replace fuse or reset circuit
breaker if necessary.
1.4 Remove, test, repair or
replace.
1.5 Install safety ring.
1.6 Raise bowl completely.
2. Mixer runs but agitator
will not turn.
2.1 Drive belt off pulley.
2.2 Key or pin sheared on
input shaft, input gear,
bevel pinion, bevel gear,
vertical shaft or beater
head.
2.3 Shifting speed with mixer
not running.
2.1 Reinstall drive belt on motor
pulley and adjust mounting
center distance.
2.2 Locate by step inspection and
replace defective part.
2.3 With mixer running, slowly
move speed control lever
fully forward then backward
to re-engage belt.
3. Agitator stalls during
mixing.
3.1 Mixer bowl is overloaded.
3.2 Speed is set to high for
the mix.
3.3 Loose belt.
3.4 Contamination of belt
with grease.
3.1 Adjust contents of bowl.
3.2 Shift speed lower till action
rotates smoothly.
3.3 Readjust pulley center
distance to tighten belt.
3.4 Clean pulleys and replace
belt.
4. Speed does not change
properly.
4.1 Loose belt.
4.2 Vari-speed pulley
inoperative.
4.1 Tighten or replace belt.
4.2 Remove, clean and lubricate
or replace.
5. Mixer runs, but
repeatedly cuts out and
stops.
5.1 Bowl overloaded.
5.2 Speed is set too high for
the mix.
5.3 Service voltage too low or
fluctuating.
5.1 Adjust contents of bowl.
5.2 Reduce speed.
5.3 Check electrical voltage.
6. Attachments contact
bottom of bowl.
6.1 Dented bowl.
6.2 Bowl height is set too
high.
6.1 Remove dent or replace bowl.
6.2 Reset bowl height.
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