Henny Penny LVG-202, Technical Manual, Page: 14 / 174

T
roubleshooting
6
Display Cause Correction
FILLED?”
prompt.
“E-15” Drain valve open. Clean and/or close fish vat drain valve; if cleaned and
closed, have drain switch continuity checked. If no prob-
lems with fish vat drain valve, check jumper on pin 15.
See E-70–C.
“E-18-A” Left level sensor
open. Turn switch to off position, then turn switch back to on; if
display still indicates a failed sensor, have the connectors
checked at the control board; have sensor checked & re-
place if necessary.
“E-18-B” Right level sen-
sor open.
“E-18-C” Both level sen-
sors open.
“E-20-A”
“FAN SEN-
SOR
STUCK
CLOSED” Pressure switch
failure/wiring
problem. If fan is not running, have pressure switch checked;
should be open circuit, if no air pressure. If fan is running,
wiring error.
“E-20-B”
“NO
DRAFT”
“CHECK
FAN” Pressure switch
failure/hose
loose. Press power button to vat off and back on again, if “E-20-
B” persists, have pressure switch checked; should be
close circuit with air pressure; make sure hose is con-
nected to fan and pressure switch.
Draft fan failure/
low voltage/flue
or hood
obstruction.
• Have draft fan checked; low voltage going to fan.
• Check the fryer flue and hood system for obstructions.
• Clean blower wheel.
“E-20-D”
“IGNITION
FAILURE” Failure to ignite/
no flame sense. 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 and clean flame sensors; check ignition
module wiring.
“E-21” Slow heat
recovery. Have a certified service technician check the fryer for cor-
rect gas supply to the unit; check gas valve for correct
pressure and proper function
“E-22” “NO
HEAT” Burner not
igniting. Check heat circuit checked; check gas valve for correct
pressure and proper function
“E-41” Programming
failure. Turn switch to off, then back to on; if display shows any of
these error codes, have the controls re-initialized; if error
code persists, have the control board replaced.
“E-46”
“E-47” Analog converter
chip or 12 volt
supply failure. Turn switch to off, then back to on; if “E-47” persists, have
the PC board replaced.