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

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Twin Twist Soft Serve Freezer Model 957RMT
184957 47
13 Troubleshooting Tables
(continued)
PROBLEM PROBABLE CAUSE REMEDY
Cabinet too
cold. (below
35°F [1.7°C])
1. Cabinet setting too low. 1.
Contact your Your local service
company.
2. Defective thermostat. 2.
Contact your Your local service
company.
3. Cabinet solenoid stuck open 3.
Contact your Your local service
company.
4. Cabinet expansion valve set too low. 4.
Contact your Your local service
company.
Mix sours in
cabinet.
1. Cabinet thermostat defective, set too
warm or tuned off.
1.
Contact your Your local service
company.
2. Cabinet solenoid defective (does not
open).
2.
Contact your Your local service
company.
3. Cabinet switch defective. 3.
Contact your Your local service
company.
4. Door switch defective. 4.
Contact your Your local service
company.
5. Cabinet compressor contactor coil open
(mix sours in night mode only.
5.
Contact your Your local service
company.
6. Faulty time delay. 6.
Contact your Your local service
company.
7. Suction pressure too low. 7.
Contact your Your local service
company.
Compressor and
beater motor do
not operate when
dispensing.
1. Spigot switch(es) defective or out of
adjustment.
1.
Contact your Your local service
company.
2. Component failure. 2.
Contact your Your local service
company.