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-6”

Temperature probe failure

Turn switch to OFF position, then back to ON; if the “E-6” continues, the temperature probe should be checked; once the probe is repaired, or replaced, the controls should return to normal; if “E-6” 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

“E-71”

Pump motor relay failure or wiring problem

Replace relay if contacts are stuck closed; check wiring on POWER/PUMP switch, or at wall receptacle; L1 and N may be reversed

CE Only - Along with the previous error codes, CE units have the following self-diagnostic error codes:

DISPLAY

CAUSE

PANEL BOARD CORRECTION

“E-10”

High limit

Allow oil to cool, and then reset the high limit. If the high limit does not reset, the high limit must be replaced.

To reset the high limit:

  • For Bulb and Cap designs with a small red button, press and release.

  • For Electric High Limit designs with a red switch, press and hold for 5 seconds and release.

“E-15”

Drain switch

Close the drain, using the drain valve handle; if display still shows “E-15”, have the drain microswitch checked