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

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Twin Twist Soft Serve Freezer Model 957RMT
184957 49
13.1 MTS Troubleshooting Tables
Mix leaks out of
MTS.
1. Transfer hose worn or split. 1.
Remove cover, clean inside MTS
around rollers with spray bottle
provided. Install new hose. Do not
twist hose.
Mix transfer
system (MTS)
will not operate.
1. Pump cover not installed. 1. Install cover.
2. Hose not installed properly. 2. Check position – reinstall.
3. Slide switch defective. 3.
Contact your Your local service
company.
4. MTS relay defective. 4.
Contact your Your local service
company.
5. Start capacitor defective or motor start
switch defective.
5.
Contact your Your local service
company.
6. Pressure switch defective. 6.
Contact your Your local service
company.
7. Motor defective or internal overload
tripped.
7.
Contact your Your local service
company.
MTS will not
shut off.
1. Hose broken. 1. Replace hose.
2. Pressure switch stuck in closed position. 2.
Contact your Your local service
company.
MTS cycles on
and off without
dispensing.
1. Worn transfer hose. 1. Replace hose.
2. Leak on pressure side of system. 2.
Contact your Your local service
company.
MTS will not
prime.
1. Insufficient supply of mix. 1. Replenish mix supply.
2. Swing clamp knob loose. 2. Tighten knob.
3. Air hose or air meter not installed. 3. Install air hose/air meter.
4. Hose not installed. 4. Install hose.
Mix pickup tube
loses prime.
1. Defective or missing duckbill valve. 1. Replace duckbill valve.
2. Inlet clamp not tight. 2. Tighten clamp.
3. Worn transfer hose. 3. Replace transfer hose.
PROBLEM PROBABLE CAUSE REMEDY