D] controls and adjustments – Hoshizaki KM-250BWF User Manual

Page 15

[d] Controls and Adjustments

The dip switch is factory-adjusted to the following positions:

Switch Nos. 1 and 2:

Used for adjustment of the defrost timer.
The defrost timer starts counting when the thermistor reads a certain temperature at
the evaporator outlet.

Switch Nos. 3 and 4:

Used for adjustment of the drain timer.
When a freeze cycle is completed, the pump motor stops, and the icemaker
resumes operation in 2 seconds. Then the pump motor drains the water tank for
the time determined by the drain timer. The drain timer also determines the time
to restrain completion of a defrost cycle, i.e. the minimum defrost time.

Switch Nos. 5 and 6:

Used for adjustment of the drain counter.
The pump motor drains the water tank at the frequency determined by the drain
counter.

Switch Nos. 7 and 8:

Used only for checking the controller board. Usually set in OFF position.

Switch Nos. 9 and 10:

Used for adjustment of freeze timer.
The freeze timer determines maximum
freeze cycle time. Upon termination of
freeze timer, machine initiates the

harvest cycle. After 2 consecutive timer

terminations, machine will shut down,
possibly indicating a problem.

DIP SWITCH NO.

KM-250BAF, BWF

OFF