6.2.2 Troubleshooting Fryers Equipped with Analog Controllers
Fryer Off
CONTROLLER
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
3.Defective interface board
4.Broken or improper wire connection
YES
Is the 24V LED on the | NO | |
interface board |
| |
illuminated? |
| |
| YES |
|
|
| |
Is the AL LED illuminated? | NO |
|
Probable causes are:
1. Defective
2.Defective interface board
3.Broken or improper wire connection
Probable causes are:
1. Defective interface board
YES
Condition normal.
