Frymaster H14 Series service manual Computer Panel Open Interface Board Visible

6.2.1 Troubleshooting Fryers Equipped with M100B Computers

Fryer Off

COMPUTER PANEL

OPEN

INTERFACE

BOARD VISIBLE

Press the ON/

OFF switch (OFF

displayed in

window).

Is the CMP LED in the top center of the interface board illuminated?

NO

Probable causes are:

1.No power applied to the fryer power cord

2.Defective 12-volt transformer

3.Defective interface board

4.Broken or improper wire connection

YES

Is the 24V LED on the		NO
interface board
illuminated?
	YES

Probable causes are:

1. Defective 24-volt transformer

2.Defective interface board

3.Broken or improper wire connection

Is the AL LED illuminated?

NO

Probable causes are:

1. Defective interface board

YES

Condition normal.

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