Frymaster H14 Series - Manual (Page 46)

6-6
6.2.2 Troubleshooting Fryers Equipped with Analog Controllers
Fryer Off
Press the ON/
OFF switch (OFF
displayed in
window).
CONTROLLER
PANEL OPEN
INTERFACE
BOARD VISIBLE
Is the CMP LED in the top
center of the interface board
illuminated?
Is the 24V LED on the
interface board
illuminated?
Is the AL LED illuminated?
Condition normal.
Probable causes are:
1. Defective 24-volt transformer
2. Defective interface board
3. Broken or improper wire connection
Probable causes are:
1. Defective interface board
NO
NO
NO
YES
YES
YES
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