
7
Sept. 2013
“E-20-A”
“FAN SENSOR
STUCK
CLOSED”
• Pressure Switch failure
• Wiring problem
• I/O board failure
• If fan is not running, have pressure switch checked; should
be open circuit if no air pressure
• If fan is running, wiring error, or relay on I/O board closed
“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”
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 shut-off valve;
have ignition module checked; gas valve checked; flame
sensor gap checked; gas valve and ignition module wiring
checked
“E-21”
• Slow heat recovery • Have a certified service technician check the fryer for correct
voltage to the unit; have heat circuit checked; have unit
checked for loose or burnt wire
“E-22”
“NO HEAT”
“CHECK GAS
VALVE”
• Burner not igniting • Have gas valve and heat circuit checked
“E-41 “ / “E-46”
• Programming failure • Press power button to vat off and back on again, if any of
the error codes, have the controls re-initialized; if error code
persists, have the control board replaced
“E-47”
• Analog converter
chip or 12 volt supply
failure
• Press power button to vat off and back on again, if “E-47”
persists, have the I/O board, or the PC board replaced; if
speaker tones are quiet, probably I/O board failure; have the
I/O board replaced
“E-48” • Input system error • Have PC board replaced
“E-54-C” • Temperature input
error
• Turn switch to OFF, then back to ON; have control PC board
replaced if “E-54C” persists
“E-60”
“FILTER IN
USE”
• AIF PC board not
communicating with
control PC board
• Press power button to turn vat off, wait 15 seconds, and turn
back on again. If “E-60” persists, have connector between
the PC boards checked; replace AIF PC board or control PC
board, if necessary
“E-70C”
• Drain valve jumper
wire missing or
disconnected
• Have the jumper wire checked on the PC board at drain
switch interlock position
“E-83-A” • Pressure too high • Check filter system in Vat #1
“E-83-B” • Pressure too high • Check filter system in Vat #2
2-2.
ERROR CODES
(CONT.)
DISPLAY CAUSE CORRECTION