E) Bin Control Selector/Harvest Pump Timer (S4 Dip Switch 7); F) Factory Use (S4 Dip Switch 8) - Hoshizaki KM-901MAH Service Manual

e) Bin Control Selector/Harvest Pump Timer (S4 dip switch 7)

Depending on the control board, S4 dip switch 7 is either a bin control selector or harvest
pump timer.
Do not adjust. This dip switch must be left in the factory default position or this
unit will not operate correctly.
(1) Bin Control Selector, "E" Control Board: Auxiliary Code T-0, U-0
Factory set for proper operation. Do not adjust. When set to the on position on a unit
with a thermostatic bin control, a 5-beep alarm sounds (open circuit) and the unit does
not operate.
(2) Harvest Pump Timer, "G" Control Board: Auxiliary Code U-1 and Later
Factory set for proper operation. Do not adjust. Depending on the harvest pump timer
setting, the pump motor energizes and runs the last 0 or 50 seconds of harvest. The
water valve is energized during harvest for a maximum of 6 minutes or the length
of harvest minus 0 or 50 seconds (determined by the harvest pump timer setting),
whichever is shorter. CAUTION! Do not adjust S4 dip switch 7 out of the factory
default position on this model. This dip switch must be left in the factory default
position or this unit will not operate correctly.

f) Factory Use (S4 dip switch 8)

Factory set for proper operation. Do not adjust. This must be left in the factory default
position.
CAUTION
"E" Control Board
S4 Dip Switch Setting
No. 7
ON
OFF
"G" Control Board
S4 Dip Switch Setting
No. 7
ON
OFF
34
Bin Control
Mechanical
Thermostatic
Pump Motor
Time (seconds)
50
0