Model HEC-103/104
SECTION 4. TROUBLESHOOTING
4-1. TROUBLESHOOTING GUIDE
Problem Cause Correction
Product not • Heat value of shelf not high enough • Set higher heat value in controls
holding
temperature • Product not hot when placed in • Place prepackaged
cabinet cabinet
With power switch • Open Circuit • Check to see that unit is plugged in.
on, unit is
completely • Check breaker or fuse at supply
inoperative box
(NO POWER)
• Check control panel fuses behind
bottom, front panel
hot food in
Shelf won’t heat • Shelf not plugged into receptacle • Check that the shelf plug is firmly
properly pushed into receptacle, in the
interior of the cabinet
Light not lit • Shelf not plugged into receptacle • Check that the shelf plug is firmly
properly pushed into receptacle, in the
interior of the unit
4-2. ERROR CODES
DISPLAY CAUSE PANEL BOARD CORRECTION
“E04” Control board Turn unit of f and back on; if display shows “E04”,
overheating the control board is getting too hot; make sure unit is not
overheating
“E41” Memory scrambled Turn unit off and back on; if “E41” still shows on display ,
have PC board intitialized; if “E41” persists replace the
control board
503 4-1