Duke GES-102 - Page 70

Soft Serve Freezer Model GES-102
60 184559
15 VQM Error Codes (continued)
Error Code Description/Action Probable Cause Remedy
CYL. TEMP Occurs when barrel
thermistor is above or
below temp. limit for 1
minute without change
Action: Affected barrel
is in STBY time cycle
mode (1min on and
40 min. off), Cabinet
refrigeration remains on
1. Faulty wire
connection
2. Faulty Thermistor
1. Locate faulty connection (Wire
rubbed through, cut) and repair as
needed.
2. Remove thermistor, check in ice
water and compare to thermistor curve
chart. If thermistor does not ohm
correctly, replace thermistor.
CABINET
TEMP.
Occurs when cabinet
thermistor is above or
below temp. limit for 1
minute without change
Action: Cabinet is in
time cycle mode (5 min.
on and 30 min. off) both
cylinders are in standby
mode.
If unit is in cabinet only
mode: Cabinet is in time
cycle mode and both
cylinders remain off
1. Faulty wire
connection
2. Faulty Thermistor
3. Program Issue
1. Locate faulty connection (Wire
rubbed through, cut) and repair as
needed.
2. Remove thermistor, check in ice
water and compare to thermistor curve
chart. If thermistor does not ohm
correctly, replace thermistor.
3. Ensure U.I. Program version
and Main P.C. Program Version are
compatible. (Contact H.C. Duke & Son
Factory Tech Support)
HEAD SW
(Head
Switch)
Occurs when head
switch is open with
power applied to unit
Action: Affected cylinder
is turned off.
Reset Method: Auto,
once condition has been
rectied
1. Head Assembly Not
installed
2. Faulty Head switch (1
per cylinder)
3. Faulty wire
connection
4. Magnet removed from
Head assy.
1. Install Head assembly
2. Test head switch to see if circuit
remains open with magnet in place,
remove and replace head switch as
needed
3. Locate Faulty wire connection and
repair as needed
4. Replace the head assy.