Frymaster M3000 User Manual

LOV

™

 Generation II Technical Reference

3

The ATO board is positioned under the LON gateway in a 
box with a transformer that provides power to the board. 
The LON gateway must be removed to access the ATO 
board.

The reservoir, or JIB, rests behind the right 
door of the fryer. A light on the front of the fryer 
illuminates when the jug is empty. 

Incorrect setpoint.

Ensure setpoint is correct.

A. J5 connection unplugged.

B. Fuse blown.

C. Transformer malfunction.

A. Check to ensure J5 on front of 

ATO board is fully locked into 
connector.

B. Ensure fuse below right control 

box is not blown.

C. Check that proper voltage is 

present at transformer.  See 
charts on pages 43-47.

A. Loose wire connection.

B. Power in the component box is not 

present.

C. Failed transformer.

A. Ensure the yellow LED is 

securely attached to plug J6 on 
the ATO board.

B. Ensure power is present in the 

component box.

C. If power is present in component 

box, check the transformer for 
correct voltage.