[D] Controls And Adjustments - Hoshizaki KM-280MAH Service Manual

[d] CONTROLS AND ADJUSTMENTS

The Dip Switch is factory-adjusted to the following positions:
FOR MODELS WITH MECHANICAL BIN CONTROL:
DIP SWITCH NO.
KM-280MAH
KM-280MWH
FOR MODELS WITH THERMOSTAT :
DIP SWITCH NO.
KM-280MAH
KM-280MWH
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 No. 7:
Used only on models with mechanical bin control. Dip Switch should be set "ON".
(Models with bin thermostat, Switch No. 7 should be set in the "OFF" position.)
Switch No. 8:
Used only for checking the Controller Board. Usually set in OFF position.
1 2 3
ON OFF OFF
OFF OFF OFF
1 2 3
ON OFF OFF
OFF OFF OFF
4 5 6
ON ON ON
ON ON ON
4 5 6
ON ON ON
ON ON ON
17
7 8 9
ON OFF OFF
ON OFF OFF
7 8 9
OFF OFF OFF
OFF OFF OFF
10
OFF
ON
10
OFF
ON