8-2
TROUBLESHOOTING GUIDE
Models 441 & 444
Troubleshooting Guide
8
7. The freezing cylinder
walls are scored.
a. The scraper blades are damaged. a. Replace the scraper blades. 6-1
b. The front bearing is missing or
worn.
b. Install or replace the front bearing. 6-3
c. Unit was placed in AUTO before all
sanitizing solution was removed
from freezing cylinder.
c. Place unit in AUTO only after priming
is complete and all sanitizing solution
is removed.
6-5
d. Broken pins on beater assembly. d. Repair or replace the beater
assembly. Be sure the scraper blades
are properly seated on pins.
6-2
e. The beater assembly is bent. e. Call service technician to repair or
replace the beater and to correct the
cause of insufficient mix in the
freezing cylinder.
- -
8. No freezer operation
with control switch in
AUTO.
a. The unit is unplugged. a. Plug into wall receptacle. - -
b. Circuit breaker off or blown fuse. b. Turn circuit breaker on or replace
fuse.
- -
c. Beater motor out on reset. c. Reset the freezer. 5-1
9. Excessive mix leakage
into the rear drip pan.
a. Worn or missing drive shaft seal. a. Replace regularly. 6-4
b. Inadequate lubrication of drive
shaft seal.
b. Lubricate properly. 6-1
c. The seal is installed inside-out on
the drive shaft.
c. Install correctly. 6-1
d. Worn rear shell bearing. d. Call service technician to replace rear
shell bearing.
- -
e. Drive shaft works forward. e. Call service technician. - -
f. Wrong type of lubricant is being
used (example: petroleum-based
lubricant).
f. Use the proper lubricant
(example: Taylor Lube).
- -
10.Excessive mix leakage
from the door spout.
a. Worn or missing draw valve
O-rings.
a. Replace regularly. 9-1
b. Inadequate lubrication of the draw
valve O-rings.
b. Lubricate properly. 6-2
c. The wrong type of lubricant is
being used (example: petroleum-
based lubricant).
c. Use the proper lubricant
(example: Taylor Lube).
- -
11.Low overrun. a. Worn scraper blade(s). a. Replace regularly. 9-1
b. The mix feed assembly is not
installed.
b. Install in mix inlet hole. 6-5
c. Product is broken down from
over-beating.
c. Draw off some product to allow fresh
product to enter the freezing cylinder.
- -
12.The freezer door works
loose.
a. The freezer studs are damaged. a. Call service technician to replace
studs.
- -
b. The handscrews are not tightened. b. Tighten the handscrews equally in a
crisscross pattern.
6-3
c.
Hand
screws are damaged. c. Replace the handscrews. - -
d. Freezer door has enlarged holes. d. Replace the door. - -
e. The beater assembly is rubbing the
back of the door.
e. Call service technician to correct the
problem.
- -
Problem Probable Cause Remedy
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