Henny Penny LOV LVG-102, Technical Manual

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Model LVG-102, 103, 104
1-8
1-4. ERROR CODES (Continued)
Feb. 2011
DISPLAY CAUSE CORRECTION
“E-20-B”
“NO
DRAFT”
“CHECK
FAN”
Pressure Switch failure/ hose loose
Draft Fan failure/ low voltage/ Flue
or hood obstruction
Press power button to vat off and back on again,
if E-20-B persists, have pressure switch checked;
should be open circuit if no air pressure; make sure
hose is connected to fan and pressure switch
Have draft fan checked; low voltage going to fan
Check the fryer flue and hood system for
obstructions
“E-20-D”
• Failure to ignite/ no flame sense
• Plugged atmospheric
equalization hole in regulator cap
resulting in pilot flame slowly
fading
• Press power button to vat off and back on
again, if E-20-D persists, check gas line
connections; check gas shutoff valve; check
ignition module; check gas valve; check flame
sensor gap; check gas valve, and check ignition
module wiring
• Clear obstruction from hole
“E-21”
Slow heat recovery Have a certified service technician check the fryer
for correct gas supply and pressure to the unit;
have the gas valves checked; have unit checked
for loose or burnt wires
“E-22”
“NO
HEAT”
Burner not igniting Have gas valve and heat circuit checked
“E-41” ,
“E-46”
Programming failure Turn switch to OFF, then back to ON; if display
shows any of these error codes, re-initialize the
controls; if error code persists, check control board
and replace as needed
“E-47”
Analog converter chip or 12 volt
supply failure
Turn switch to OFF, then back to ON; if “E-47”
persists, replace the PC board
“E-48”
Input system error Turn switch to OFF, then back to ON; have control
PC board replaced if “E-48” persists
“E-54-C”
Temperature input error Turn switch to OFF, then back to ON; have control
PC board replaced if “E-54C” persists