Henny Penny MPC-1L, Техническое руководство

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Model MPC-1L, MPC-22, MPC-554
1-4 Oct. 2018 FM06-038-B
DISPLAY CAUSE PANEL BOARD CORRECTION
“E-4” Control board Turn switch to OFF position, then turn switch back
overheating to ON; if display shows “E-4”, the control board is
getting too hot; make sure unit is not overheating;
if control board is not overheating and “E-4”
persists, replace control board
“E-6” Faulty temperature Turn switch to OFF position, then turn switch back
to probe ON; if “E-6” still shows, have temperature
probe checked
“E-41” Memory scrambled Turn switch to OFF position, then turn switch back
to ON; if “E-41” still shows, have the controls
intitialized; if display still shows “E-41”, replace
control board
“E-5” Unit over-heating; If control board doesn’t cut power to relay when the
faulty relay or LED is green, then replace control board; but
control board if control board does cut power to relay when the
LED is green, but unit continues to heat, check relay
1-5. ERROR CODES
1-4. TROUBLESHOOTING (Continued)
PROBLEM CAUSE CORRECTION
Product not holding
temperature
Red LED, when should
be green, or vice versa
Front LED does not
light
• Have heat zones set to factory default
temperatures
• Using meter, compare receptacle
voltage to data plate voltage
• Hold product for recommended time
• Push pans in completely
• Access the LED wires on side of unit
and reverse wires at wire nuts
• Access LED wires on side of unit and
check for dc voltage; if no voltage,
check for voltage at control board; if
voltage present, replace LED
• Heat settings too low
• Low or improper voltage
• Product held too long
• Product not placed correctly in unit
• Polarity reversed on LED wires
• Faulty LED