Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagrams
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Settings and Adjustments
- 1. Default Dip Switch Settings
- 2. Harvest Timer (S4 dip switch 1 & 2)
- 3. Pump-Out Timer/Harvest Time During Pump-Out (S4 dip switch 3 & 4)
- 4. Pump-Out Frequency Control (S4 dip switch 5)
- 5. Harvest Pump Time (Harvest Assist) (S4 dip switch 6)
- 6. Harvest Pump Time (Harvest Assist)/Freeze-Time Correction (S4 dip switch 7)
- 7. Factory Use (S4 dip switch 8)
- 8. Freeze Timer (S4 dip switch 9 & 10)
- 9. Float Switch Selector (S5 dip switch 1)
- 10. Refill Counter (S5 dip switch 2 and 3)
- 11. Minimum Harvest Time (S5 dip switch 4)
- 12. Anti-Slush (S5 dip switch 5)
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
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b) CB Diagnosis: Conrm LLVs de-energize. If LLVs are energized with LEDs 1, 3,
and 2 on, replace CB. If PM does not stop and restart and DV does not energize,
check that CB LEDs 1, 3, and 2 are on. Ifnot, replace CB. IfLEDs 1, 3, and 2 are on
and X12 relay is not energized, check for 115VAC at CB K1 #5 (DBU) to neutral(W).
If115VAC is not present, replace CB. If115VAC is present at CB K1 #5 (DBU) and
X12 relay is not energized, continue to "c) X12 Relay Diagnosis:" below. If X12
relay is energized and DV are not energized, check for 115VAC at CB K1 #2 (P) to
neutral(W). If LED 2 is on and 115VAC is not present at CB K1 #2 (P), replace CB.
c) X12 Relay Diagnosis: If 115VAC is present at CB K1 #5 (DBU) and CB K1 #2 (P)
and X12 relay and DV is not energized, check for 115VAC at X12 relay #8 (DBU) to
neutral (W). If115VAC is not present, check wiring connections from CB K1 #5 (DBU)
to X10 relay #5 (DBU), then at X10 relay #1 (DBU). If 115VAC is present at X10 relay
#5 (DBU) and not at X10 relay #1 (DBU), conrm X10 relay is de-energized, if X10
relay is de-energized, replace X10 relay (sticking contacts). If 115VAC is present
at X12 relay #8 (DBU) to neutral (W), and X12 is de-enrgized, check relay coil
continuity. Replace as needed.
d) PM Diagnosis: Check for 115VAC at X12 relay #6 (P) to neutral(W). If 115VAC is
not present, see "b) CB Diagnosis" above. Next, check for 115VAC at X12 relay
#4(W/R) to neutral (W). If 115VAC is not present, conrm X12 relay is energized.
If X12 relay is de-energized, see "c) X12 Relay Diagnosis:" above. If X12 relay
is energized and 115VAC is present at X12 relay #6 (P) and not at X12 relay
#4(W/R), replace X12 relay. If 115VAC is present at X12 relay #4 (W/R) and PM is
de-energized, check PM capacitor, motor winding, wiring connections, and impeller
for binding.
e) DV Diagnosis: Check for 115VAC at X12 relay #5 (P) to neutral (W) and at X12relay
#3 (GY) to neutral (W). If 115VAC is not present at X12 relay #5 (P),
see "b) CB Diagnosis:" above. If 115VAC is present at X12 relay #5 (P) and not at
X12 relay #3(GY), conrm X12 relay is energized. If X12 relay is de-energized,
see "c) X12 Relay Diagnosis:" above. If X12 relay is energized and 115VAC
is present at X12 relay #5 (P) and not at X12 relay #3 (GY), replace X12 relay.
If115VAC is present at X12 #3 (GY) and DV is de-energized, check DV coil
continuity, make sure the drain line is not clogged and that DV is clean and operating
properly.
8) Normal Harvest Cycle – Same as the initial harvest cycle. Return to step 5a) above.
Note: Appliance continues to cycle until BC is satised or power is switched off. The
appliance always restarts at the 1-min. ll cycle.