Henny Penny OFG-341 Operator's Manual page 57

5-2. ERROR CODES
(Continued)
DISPLAY CAUSE
"E-20 A" Vacuum switch failure
(stuck closed)
"E-20 B" Draft fan or vacuum
switch failure (stuck
open)
"E-20 C" Ignition modules
"E-20 D" Pilots not lit or no flame
sense
"E-31" Elements up-
Electric units only
Fan switch jumper wire
missing
"E-54" PCB component failure
"E-70A" Fan switch jumper
missing
"E-70B" MV jumper missing
"E-92" 24 VAC fuse on I/O
open
Aug. 2008
PANEL BOARD CORRECTION
Press the timer button to try the ignition process again;
if "E-20 A" persists check vacuum switch; refer to
Technical Manual
Press the timer button to try the ignition process again;
if "E-20 B" persists, check vacuum switch or the blower
motor; refer to Technical Manual
Press the timer button to try the ignition process again;
if not responding "E-20 C" persists, check the ignition
module, the spark ignitor, or the I/O board; refer to
Technical Manual
Press the timer button to try the ignition process again;
if "E-20 D" persists, check the ignition module, the I/O
board, or the flame sensor; refer to Technical Manual
Lower elements into frypot
Check for jumper wire on 12-pin connector & add if
missing
Turn switch to OFF position, then turn switch back to
ON; if "E-54" persists, have PCB replaced
Have jumper wire checked on 12 pin connect to panel
Have jumper wire checked on connectors to panel
24 VAC fuse on I/O board open; check for shorted
component in 24-volt circuit (i.e.., hi limit, drain switch,
air switch)
4-20
Model OFE/OFG/OEA/OGA-341, 342 Model OFE/OFG/OEA/OGA-341, 342