Applies to:

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-6 A”	Temperature probe open	Turn switch to OFF position, then turn switch back to ON; if display shows “E-6”, have the temperature probe checked
“E-6 B”	Temperature probe shorted	Turn switch to OFF position, then turn switch back to ON; if display shows “E-6” have the temperature probe checked
“E-10”	High limit	Allow oil to cool, and then reset the high limit by manually pushing and holding the reset (red rocker) switch for 5 seconds. If the high limit does not reset, the high limit must be replaced.
"E-15"	Drain switch failure	Close drain, using the drain valve handle; if display still failure shows “E-15”, have the drain microswitch checked
“E-20 A”	Vacuum switch failure (stuck closed)	Press the timer button to try the ignition process again, and if “E-20 A” persist, check the air switch
“E-20 B”	Draft fan or vacuum switch failure (stuck open)	Press the timer button to try the ignition process again and if “E-20 B” persist, check the vacuum switch or the blower motor
“E-20 C”	Ignition modules not responding	Press the timer button to try the ignition process again; if “E-20 C” persists, check the ignition module, the spark ignitor per Pilot/Ignitor Module Section, the I/O board
“E-20 D”	Pilots not lit or no flame sense	Press the timer button to try the ignition process again; if “E-20 D” persists, check the ignition module, the I/O board per Control & I/O Boards Section or the flame sense
“E-25”	Heat amps too high	Heating elements drawing too much current; have heat circuit checked
“E-26”	Heat amps locked on	Heating elements are drawing current when controls are not calling for heat; have controls and heat circuit checked
“E-27”	Heat amps too low	Heating elements current is lower than expected; have heat circuit checked
“E-31”	Elements not hinged all the way down	Check to make sure the elements are hinged all way down into the vat; check for obstructions under elements way down
“E-41” “E-46”	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-47”	Analog converter chip or 12 volt supply failure	Turn switch to OFF, then back to ON, if “E-47” persists, have the I/O board, or the PC board replaced; if speaker tones are quiet, probably I/O board failure
“E-48”	Input system error	Have PC board replaced
“E-70 B”	Faulty power switch, or switch wiring; faulty I/O board	Have power switch checked, along with its wiring; have Input/Output board replaced if necessary
“E-70”	Faulty power switch, or switch wiring; faulty I/O board	Have power switch checked, along with its wiring; have Input/Output board replaced if necessary
“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
“E-92”	24 VAC fuse on I/O board open	Have components, in 24-volt circuit (I.E., hi limit, drain switch) checked for shorts
“E-32, FAN FAIL ERROR, CHECK BLOWER, CLEAN DILUTIONBOX, CALL HENNY PENNY SERVICE”	Air pressure switch open; clogged dilution box or faulty blower; open drain switch; open high limit	Clean dilution box or replace blower if necessary; have drain switch checked; reset high limit or have high limit checked

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 by manually pushing and holding the reset (red rocker) switch for 5 seconds. If the high limit does not reset, the high limit must be replaced.
“E-15”	Drain switch	Close the drain, using the drain valve handle; if display still shows “E-15”, have the drain microswitch checked
“E-20A”	Air pressure switch failure	Press the timer button to try the ignition process again, and if “E-20A” persists, call Henny Penny’s Service (stuck closed) Department
“E-20B”	Draft fan or air pressure switch failure (stuck open)	Press the timer button to try the ignition process again, and if “E-20B” persists, call Henny Penny’s Service Department
“E-20C”	Left gas module failure	Press the timer button to try the ignition process again, and if “E-20C” persists, call Henny Penny’s Service Department
“E-20D”	Right module failure	Press the timer button to try the ignition process again, and if “E-20D” persists, call Henny Penny’s Service Department
“E-20E”	Both modules failure	Press the timer button to try the ignition process again, and if “E-20E” persists, call Henny Penny’s Service Department
“E-20F”	Left module no flame sense	Press the timer button to try the ignition process again, and if “E-20F” persists, call Henny Penny’s Service Department
“E-20G”	Right module no flame sense	Press the timer button to try the ignition process again, and if “E-20G” persists, call Henny Penny’s Service Department
“E-20H”	Both modules no flame sense	Press the timer button to try the ignition process again, and if “E-20H” persists, call Henny Penny’s Service Department