32
184662
DUKE Model 957R Soft Serve Freezer
Dispensed
product too
soft (Product
temperature
abov e
19°F[-7.2°C] )
1. Blades installed upside down.
1. Install properly - flat side to cylinder
wall.
2. Dirty or blocked condenser, restricted
air flow.
2. Contact your local authorized service
com pany.
3. Component failure.
4. Contact your local authorized service
com pany.
4. Leak in refrigeration system resulting
in little or no refrigeration
5. Contact your local authorized service
com pany
Unit does not
operate.
1. Freezer unplugged.
1. Plug in freezer.
2. Fuse or breaker blown at main
disconnect.
2. Make sure your freezer is connected to
a separate circuit independent from
any other electrical equipment.
Contact your authorized service
company for service.
3. Beater motor out on overolad.
3. Press overload reset button. Check
product temperature and overrun.
Call your authorized service company
for service.
4. Off on high pressure cut-out control.
4. Contact your authorized service
company for service.
5. Off on low pressure cut-out control.
5. Contact your authorized service
company for service.
6. Component failure.
6. Contact your authorized service
company for service
Mix leaking at
dispensing
head.
1. Faulty head o-ring.
1. Replace o-ring.
2. Head not properly installed.
2. Install head properly. Replace o-ring
if pinched.
Mix or water is
leaking from
drain tube to
drip tray.
1. Damaged beater shaft seal or installed
improperly.
1. Replace cup seal or o-ring inside
bushing. Install properly.
2. Beater shaft pitted or damaged where
o-ring rides.
2. Replace beater shaft.
3. Beater shaft end play not set properly.
3. Call your authorized service company
for service.
12 Troubleshooting Table
PROBLEM
PROBABLE CAUSE
REMEDY