Sub-Zero UC-15I Service Manual page 51

Model UC-15I (Undercounter Ice Machine)
User Interface Board Removal
To remove the user interface board, the top cover and
control box cover must be removed first, then (See
Figure 5-16):
1. Disconnect all electrical leads from user interface
board at Molex connector.
2. With one hand, flex the front panel away from user
interface board; with other hand, pull board upward
until user interface board is free from retainer clips.
Filter Indicator Removal
To remove the filter indicator, the top cover and control
box cover must be removed first, then (See Figure 5-
17):
1. Disconnect indicator leads from main control board.
2. Pull filter indicator out of its installation position and
up out of control box.
Transformer Removal
To remove the transformer, the top cover and control
box cover must be removed first, then (See Figure 5-
17):
1. Disconnect ground wire from the transformer wire
harness and transformer leads from main board.
2. Extract transformer mounting screws and lift trans-
former from control box.
Light Fixture Removal
To remove the light fixture, the top cover and control
box cover must be removed first, then (See Figure 5-
18):
1. Disconnect wire leads from main control board.
2. Pinch top of fixture while lifting it from the bottom of
control box.
Main Control Board Removal
To remove the main control board, the top cover and
control box cover must be removed first, then (See
Figure 5-18):
1. Disconnect all wires from the control board.
2. Extract the control board mounting screws and lift
board from bottom of control box.
Control Board
User Interface Board
Figure 5-16. Control Box Components
Control Board
Transformer
Connection
Control Interface Board
Figure 5-17. Control Box Components
Light Fixture
Connection
Screws
Figure 5-18. Control Box Components
5-9
Component Access / Removal
Electrical Leads
Transformer
Screws
Filter Indicator
Light Fixture
#7012423 - Revision A - August, 2009