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
4-2 304
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