Error Codes

DISPLAY

CAUSE

PANEL BOARD CORRECTION

“E-4”

Control board overheating

Turn switch to OFF position, then turn switch back to ON; if “E-4” continues, the board is getting too hot; check for signs of overheating behind the control panel; once panel cools down the controls should return to normal; if “E-4” persists, have control panel replaced

“E-5”

Oil overheating

Turn switch to OFF position, then back to ON;

if “E-5” continues, the heating circuits and temperature probe should be checked; once the unit cools down, the controls should return to normal; if “E-5” persists, have control panel replaced

“E-41”

Programming failure

Turn switch to OFF position, then back to ON; if display shows “E-41”, the control should be re- initialized (See Programming Section) if the error code persists, have control panel replaced