Repair Procedures - Scotsman MVP456 Service Manual

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REPAIR PROCEDURES

Ice thickness sensor
1 Push and release the Off switch.
2 Remove front and top panels.
3 Push and release the Harvest switch
4 Disconnect electrical power.
5 Open the control box.
6 Remove curtain.
7 Locate sensor, squeeze mounting legs
together to release it from the mounting
bracket.
8 Remove sensor, follow wire back to control
box.
9 Disconnect from controller connection J10.
10 Remove sensor from machine.
11 Reverse to reassemble.
12 Set initial probe-to-evaporator-surface gap
using a 5,5 mm drill bit as a gauge.
Controller
1 Disconnect electrical power.
2 Remove front panel.
3 Open control box door.
4 Unplug all wires from controller.
5 Remove screws holding controller to door
6 Push controller snaps down and pull controller
from mounting bracket.
7 Before touching new controller, discharge
any static electricity by touching the metal
surface of the ice machine cabinet.
8 Rotate selector switch to the proper model
number for the machine the controller is
being installed on.
9 Install new controller on mounting bracket,
secure with original screws.
10 Attach all wires removed.
11 Shut control box cover.
12 Switch on the electrical power.
Curtain
1 Push and hold the Off button to shut the
machine off.
2 Remove front panel.
3 Remove evaporator cover.
4 Push inside tab in to release front curtain pin
from holder.
5 Pull curtain from machine.
6 Reverse to reassemble.
7 Push and release the ON button to restart the
machine.
Curtain switch
1 Push and hold the Off button to shut the
machine off.
2 Disconnect electrical power
3 Remove front panel.
4 Open control box.
5 Locate curtain switch on evaporator mounting
bracket. Pull switch from its snaps.
6 Dismount wires from sump cover and remove
from J7 or J8 connector on control board.
7 Reverse to reassemble. Be sure wires are
re-mounted to sump cover edge.
Water level sensor
1 Push and hold the Off button until the machine
shuts off.
2 Remove the front panel.
3 Squeeze the locking tabs together and pull
the sensor up and out of the sump.
4 Unplug the electrical connection from the
sensor.
5 Reverse to reassemble.
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