Henny Penny 690 User Manual

Model 690

SECTION 4. TROUBLESHOOTING

4-1. TROUBLESHOOTING GUIDE

Problem Cause Correction

Power switch on but fryer
completely inoperative

• Open circuit

• Plug fryer in

• Check breaker or fuse at wall

Pressure not exhausting at
end of Cook Cycle

Operating pressure too high

• Solenoid or exhaust line clogged

• Deadweight clogged

• Turn off and allow fryer to cool to
release the pressure in frypot; have
all lines, solenoid, and exhaust tank
cleaned

• Turn off and allow fryer to cool to
release the pressure in frypot; clean
deadweight; see Preventive Mainte-

nance Section

DO NOT OPERATE UNIT IF PRESSURE GAUGE SHOWS HIGH PRESSURE CONDITIONS.
SEVERE INJURIES AND BURNS WILL RESULT. IMMEDIATELY PLACE THE POWER/
PUMP SWITCH IN THE OFF POSITION, WHICH RELEASES THE PRESSURE BY ALLOW­ING THE UNIT TO COOL. DO NOT RESUME USE OF UNIT UNTIL CAUSE OF HIGH
PRESSURE HAS BEEN FOUND AND CORRECTED.

Pressure does not build

• Not enough product in frypot

• Metal shipping spacer not
removed from deadweight

• Place full capacity product in frypot
when using fresh shortening

• Remove shipping spacer; see Unpacking
Instructions Section

Shortening not heating

Foaming or boiling over

Shortening not draining

Filter motor won’t run

• Pressure not programmed

• Lid gasket leaking

• Gas valve knob turned to the
OFF position

• Drain valve open

• High temperature limit tripped

• See Boil-Over chart on fryer
and information in this
manual

• Drain valve clogged

• Motor overheated

• Check programming

• Reverse or replace lid gasket

• Make sure gas control valve knob is
turned to the ON position

• Close drain valve

• Reset high temperature limit; see
Operating Components Section

• Follow Boil-Over procedures from
chart

• Push cleaning rod through open
drain valve

• Reset motor; see Filter Pump Motor
Protector-Manual Reset Section

More detailed troubleshooting information is available in the Technical Manual, available at

www .hennypenny .com, or 1-800-417-8405 or 1-937-456-8405.

703 4-1

Model 690

4-2. ERROR CODES In the event of a control system failure, the digital display shows an

error message. These messages are coded: “E-4”, “E-5”, “E-6”,
“E-32”, “E-41” and “E-71”. A constant tone is heard when an
error code is displayed, and to silence this tone, press any of the
product buttons.

DISPLAY CAUSE PANEL BOARD CORRECTION

“E-4” Control board overheating Turn switch to OFF position, then turn

switch back to ON; if display still shows
“E-4”, 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” Shortening overheating Turn switch to OFF position, then back to

ON; if display shows “E-5”, 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” T emperature probe failure Turn switch to OFF position, then back to

ON; if the display shows “E-6”, 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 Replace relay if contacts are stuck closed;

wiring problem check wiring on POWER/PUMP switch, or at

wall receptacle; L1 and N may be reversed

“E32, F AN F AIL

ERROR, CHECK
BLOWER, CLEAN
DILUTIONBOX,
CALL HENNY
PENNY SER VICE”

Air pressure switch open; clogged Clean dilution box or replace blower if
dilution box or faulty blower; open necessary; have drain switch checked; reset
drain switch; open high limit high limit or have high limit checked

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