Duke GES-102 - Page 67

Soft Serve Freezer Model GES-102
184559 57
15 VQM Error Codes (continued)
Error Code Description/Action Probable Cause Remedy
CYL RFG. This error occurs when
cylinder system run time
exceeds 90 minutes.
Cylinder switches to
STBY mode and locks
out.
Action: Cylinder
Refrigeration off, cabinet
refrigeration continues
to operate.
Reset Method: Main
Power Switch, once
the condition has been
rectied.
1. Dirty Condenser
2. Shortage of
Refrigerant
3. Faulty wire
connection
4. Compressor starting
components failure (1
Phase Only)
5. Compressor
Contactor Failure
6. Compressor
Contactor Control Relay
not activating
7. System lacks
efciency
8.Faulty Thermistor
9. Condenser Fan Motor
Failure (Air Cooled
Only)
1. Clean Condenser
2. Locate Source of refrigerant leak
and repair.
3. Locate faulty connection (Wire
rubbed through, cut) and repair as
needed.
4. Check Compressor Starting
components and replace as needed.
5. Check contactor coil for proper
resistance, check for voltage drop
across contact points. Replace as
needed
6. Check to see if Relay is receiving
power from Main P.C. board (12VDC),
Ohm relay control coil for proper
resistance. Replace relay as needed.
If no 12VDC is detected Contact H.C.
Duke & Son Factory Tech Support.
7. Check for worn blades, AXV
pressure settings, Check water
regulating valve setting (Water
Cooled), check refrigerant level,
compressor efciency.
8. Remove thermistor, check in ice
water and compare to thermistor curve
chart. If faulty replace, if thermistor
tests o.k. check wire harness
connections. If all connections are
sound possibility of control board
issue. (Contact H.C. Duke & Son for
proper compressor oil charge)
9. Replace Condenser fan motor