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4-1. TROUBLESHOOTING GUIDE
Problem
Product not
holding
temperature
With power switch
on, unit is
completely
inoperative
(NO POWER)
Shelf won't heat
4-2. ERROR CODES
DISPLAY
"E04"
Control board
overheating
"E41"
Memory scrambled
"E06"
Air temperature too hot
Controsl set CE=y
in Special Program Mode
807
SECTION 4. TROUBLESHOOTING
Cause
• Heat value of shelf not high enough
• Product not hot when placed in
cabinet
• Open Circuit
• Shelf not plugged into receptacle
properly
CAUSE
• Place prepackaged hot food in
• Check to see that unit is plugged in.
• Check breaker or fuse at supply
• Check that the shelf plug is firmly
PANEL BOARD CORRECTION
Turn unit off and back on; if display shows "E04",
the control board is getting too hot; make sure unit is not
overheating
Turn unit off and back on; if "E41" still shows on display,
have PC board intitialized; if "E41" persists replace the
control board
Turn switch to OFF position, then turn switch back to ON;
probe open if display shows "E06", the temperature probe
should be checked
Unit does not have a temperature probe and the controls must
be set to CE=n, in Special Program Mode
Model EPC-2, EPC-3 & EPC-4
Correction
• Set higher heat value in controls
cabinet
box
pushed into receptacle, in the
interior of the cabinet
4-1
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