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Model 428 Troubleshooting Guide
Section 8 Troubleshooting Guide
PROBLEM PROBABLE CAUSE REMEDY PAGE
REF.
1. No product being
dispensed.
a. Power switch is in the
OFF position.
a. Place power switch in the
AUTO position.
23
b. Improper mixing of
product.
b. Carefully follow directions
for mixing p roduct.
---
c. Inadequate mix in hopper. c. Fill hopper with mix. 24
d. Pr oduct fr ozen-up in
freezing cylinder.
d. Adjust viscosity
adjustment accordingly.
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e. Unit out on reset. e. Place power switch in the
OFF position. Press the
reset button. Retu rn
power switch to AUTO.
14
f. Beater assembly is not
rotating at all or
counterc lockwise. Power
switch is not in AUTO.
f. The power switch must be
in AUTO. If beater is
rotating counterclockwise,
call service technician to
correct rotation.
1
g. Unit unplugged at wall
receptac le.
g. Plug in power cord. ---
h. Tripped circuit breaker or
blown fus e.
h. Reset circuit breaker or
replace fuse.
---
2. Unit will not operate in the
AUTO or “WASH” mode.
a. Unit unplugged at wall
receptac le.
a. Plug in power cord. ---
b. Tripped circuit breaker or
blown fus e.
b. Reset circuit breaker or
replace fuse.
---
c. Unit out on reset. c. Place the power switch in
the OFF position. Press
the reset button. Return
power switch to AUTO.
14
3. No compressor operation
in the AUTO mode.
a. Beater motor is out on
overload.
a. Place power switch in
OFF position. Press the
reset button. Retu rn
power switch to AUTO.
13
b. Condenser dirt y A/C. b. Clean condenser monthly. 27