Duke DQ 957RMT, Operator’S Manual With Illustrated Parts List

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Twin Twist Soft Serve Freezer Model 957RMT
44 184957
13 Troubleshooting Tables
PROBLEM PROBABLE CAUSE REMEDY
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. Have
technician check fuse or breaker
size and check for low voltage; if not
within 10% of nameplate rating call
power company.
3. Beater motor out on overload. 3.
Press overload reset button. Check
product temperature. (Note: cabinet
will continue to cool.)
4. Control circuit overload open. 4.
Press overload reset button. If freezer
still does not operate contact your
Your local service company.
5. Off on high pressure cut-out or low
pressure cut-out control.
5. Contact your Your local service
company.
6. Component failure. 6. Contact your Your local service
company.
7. Faulty selector switch. 7. Contact your Your local service
company.
8. Disconnected or broken wire in electrical
circuit.
8. Contact your Your local service
company.
Mix or water
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. Contact your Your local service
company.
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.
Dispensed
product too
soft. (Product
temperature
above 19°F)
1. Dirty or blocked condenser, restricted air
flow.
1.
Unblock condenser or have cleaned
by your H.C. Duke & Son, LLC.
Distributor.
2. Component failure. 2.
Contact your Your local service
company.
3. Leak in refrigeration system resulting in
little or no refrigeration.
3.
Contact your Your local service
company.