Hoshizaki KM-2500SWH3 User Manual
32
C. Bin Control Check
To check the thermostatic bin control, follow the steps below.
CAUTION
When the ambient temperature is below 45°F (7°C), the bin control thermostat
operates to stop the icemaker even if the ice storage bin is empty. When the
thermostat is set in the prohibited range, the icemaker operates continuously
even if the ice storage bin is filled with ice. Setting in the prohibited range may
result in severe damage to the icemaker.
operates to stop the icemaker even if the ice storage bin is empty. When the
thermostat is set in the prohibited range, the icemaker operates continuously
even if the ice storage bin is filled with ice. Setting in the prohibited range may
result in severe damage to the icemaker.
The thermostatic bin control is factory set, and generally no adjustment is required.
However, adjustment may be needed in some conditions, particularly at higher altitude
locations. Adjust it, if necessary, so that the icemaker stops automatically within
10 seconds after ice contacts the bin control.
However, adjustment may be needed in some conditions, particularly at higher altitude
locations. Adjust it, if necessary, so that the icemaker stops automatically within
10 seconds after ice contacts the bin control.
1) Turn off the power supply.
2) Remove the front panel, then remove the control box cover.
3) Disconnect the thermostatic bin control wires from the thermostatic bin control switch.
4) Clear any ice away from the thermostatic bulb, then hold your hand around the
2) Remove the front panel, then remove the control box cover.
3) Disconnect the thermostatic bin control wires from the thermostatic bin control switch.
4) Clear any ice away from the thermostatic bulb, then hold your hand around the
thermostatic bulb to warm it up.
5) Check for continuity across the thermostatic bin control switch. If closed, continue to
step 6. If open, adjust or replace the thermostatic bin control.
6) With the multimeter test leads still in place, hold ice on the thermostatic bulb to lower
the temperature. Within 10 seconds, the thermostatic bin control switch should open (no
continuity). If it remains closed, adjust or replace the thermostatic bin control.
continuity). If it remains closed, adjust or replace the thermostatic bin control.
D. Float Switch Check and Cleaning
1. Float Switch Check
To check the float switch, follow the steps below.
1) Turn off the power supply.
2) Remove the front panel. Move the control
2) Remove the front panel. Move the control
switch to the "OFF" position, then remove
the insulation panel.
the insulation panel.
3) Remove the drain plug located on the lower
front part of the ice dropping hole. Allow the
water tank to drain. See Fig. 1.
water tank to drain. See Fig. 1.
4) Replace the drain plug in its correct
position. Be careful not to cross thread it.
5) Remove the control box cover.
6) Disconnect the black float switch connector from the control board BLACK K5 connector.
7) Check for continuity across the float switch leads. With the water tank empty, the float
6) Disconnect the black float switch connector from the control board BLACK K5 connector.
7) Check for continuity across the float switch leads. With the water tank empty, the float
switch should be open. If open, continue to step 8. If closed, follow the steps in "IV.D.2.
Float Switch Cleaning." After cleaning the float switch, check it again. Replace if
necessary.
Float Switch Cleaning." After cleaning the float switch, check it again. Replace if
necessary.
Fig. 1
Cube Guide
Separator
Front
Cap
Inside of Ice
Dropping Hole
Dropping Hole