Duke DQ GEN-102, Operator’S Manual With Illustrated Parts List

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Soft Serve Freezer Model GEN-102
15 VQM Error Codes
(continued)
Error Code Description/Action Probable Cause Remedy
PUMP
ERROR
(Formerly
PUMP LO
PSI)
Displays Pump Error if
the pump has ran for
2 minutes continually
while in freeze mode.
Action: Affected pump
is turned off, along with
the affected cylinder
being turned to standby
Reset Method: Main
Power Switch, once
the condition has been
rectified.
1. Mix Bag has been
siphoned out completely
without being changed
2. Duck bill check valve
is not installed in the
bag connector
3. Pump transfer hose is
worn out.
4. Leaking Pressure
Relief System
5. Pump control relay
not closing preventing
pump motor from
running
6. Pump motor Starting
components Faulty
7. Faulty wire
connection
8. Pressure Transducer
is Faulty
9. Faulty Control Board
1. Ensure the mix bag is changed and
using the main power switch, reset
the machine to return it to normal
operation.
Please Note: If the mix bag is not
checked when the machine shows
a mix out condition the Pump Error
will occur frequently.
2. Install the Duck bill check valve
3. Replace pump transfer hose
(Should be replaced minimally every
30 days)
4. Check to ensure swing arm is
tightened properly. Also check to
ensure spring has not become
compressed.
5. Test to see if coil voltage is present
at pump control relay, If it is present
but the pump will not start, check to
see if the relay contacts are closing.
If so move on to troubleshooting the
pump motor. If not replace the relay
and check operation.
6. Remove and test pump Start
capacitor and starting relay, Replace
faulty parts as needed. Check motor
windings to ensure no electrical shorts
are present. Start unit and check
operation.
7. Locate and repair faulty wire
connections as needed.
8. Attempt to calibrate the Transducer
to 0 psi and re-test unit. If unit
continues to malfunction contact
Electro Freeze Technical Support.
9. Contact Electro Freeze Technical
Support