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

Page: 58 / 83

Twin Twist Soft Serve Freezer Model 957RMT
48 184957
13.1 Compressor/Condensing Circuit Troubleshooting Tables
Unit operates
long or
continuously.
1. Dirty condenser. 1.
Contact your Your local service
company.
2. Shortage of refrigerant. 2.
Contact your Your local service
company.
3. Moisture in system. 3.
Contact your Your local service
company.
4. Compressor failing. 4.
Contact your Your local service
company.
Unit operates
long or
continuously.
1. Water turned off or defective water
regulating valve.
1.
Contact your local authorized
service company.
2. Restricted water cooled condenser. 2.
Contact your local authorized
service company.
3. Dirty condenser. 3.
Have condenser cleaned by your
local authorized service company.
4. Unit location too warm (air cooled). 4.
Relocate unit away from restriction.
Place nothing against the back,
sides, or on the top of the unit.
5
.
Refrigerant overcharge.
5
.
Contact your local authorized
service company.
6. Air in system. 6.
Contact your local authorized
service company.
7. Water hose kinked or pinched. (Water
cooled freezers only)
7.
Move freezer and adjust hose so it
is not pinched or kinked.
Noisy
compressor
1. Tubing rattle. 1.
Contact your Your local service
company.
2. Spring broke internally. 2.
Contact your Your local service
company.
Discharge
pressure too
low.
1. Water regulating valve open too wide. 1.
Contact your Your local service
company.
2. Shortage of refrigerant. 2.
Contact your Your local service
company.