Manitowoc I0320 Especificaciones descargar pdf (Pagina 161)

Part Number STH025 2/14 161

Component Check Procedures

Electrical Components

CONTROL BOARD, DISPLAY BOARD AND TOUCH

PAD

FUNCTION

The control board, display board and touch pad

provide user input and control the ice machine

sequence of operation.

NOTE: Anytime power is supplied to wires #55 & #56

on the control board, the “Display” and “Micro” lights

should flash like a heartbeat. The two green lights are

located on the top right corner of the control board.

Display Diagnostics

Symptom - Micro light flashes and display light is off.

1. Disconnect both ends of the communication cable

running between the control board and the back

of the display module and inspect for bent or

damaged pins. Reconnect after inspection.

2. Reboot ice machine by disconnecting power for a

minimum of 15 seconds, reapplying power and

checking micro light for normal flashing.

3. Press the power button on the display and watch

the green Display light on the control board.

A. Display light flashes- Test run ice machine.

B. Display light is off - Replace communication

cable first as a test, then replace display/

touch pad assembly if required.

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Manitowoc I0320 Especificaciones Pagina 161