Service Manual
33
C. Settings and Adjustments
NOTICE
Dip switches are factory set. Failure to maintain factory settings may adversely
affect performance and warranty coverage.
1. Default Dip Switch Settings
The dip switch is factory-adjusted to the following positions:
S1 Dip Switch No. 1 2 3 4 5 6 7 8 9 10
KM-230BAJ OFF OFF OFF OFF ON ON OFF ON OFF ON
KM-300BAJ OFF OFF OFF OFF ON ON ON OFF OFF ON
KM-300BWJ OFF OFF OFF OFF ON ON ON OFF ON OFF
S2 Dip Switch No. 1 2 3 4 5 6
KM-230BAJ ON OFF OFF OFF OFF ON
KM-300BAJ ON OFF OFF OFF OFF OFF
KM-300BWJ ON OFF OFF OFF OFF OFF
Do not adjust the S2 dip switch. These must be left in the factory default position, or
the unit will not operate properly. The S2 dip switch No. 6 is factory-adjusted to the
“ON” position for the auxiliary codes G1 and H0. Change it to the “OFF” position when
replacing the control board. This does not affect the product performance but prevents
cloudy ice even in poor water quality areas.
Fig. 4 Fig. 5
Freeze Timer (9 & 10)
Harvest Pump Timer (7 & 8)
Pump-Out Frequency Control
(5 & 6)
Pump-Out Timer (3 & 4)
Harvest Timer (1 & 2)
S1 Dip Switch S2 Dip Switch
Anti-Slush Control (6)
Harvest Completion Detection
Control (4)
Harvest Promotion Control (2)
Overfreeze Detection Control (5)
Pump-Out/Drain Selector (1)
Rell Counter (3)
2. Harvest Timer (S1 dip switch 1 & 2)
The harvest timer starts counting when the thermistor reached 48°F (9°C) at the
evaporator outlet and the control board reads 3.9 kΩ from the thermistor. The harvest