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