Henny Penny PFG-691 Technical Manual page 18

1-4. ERROR CODES (Continued)
DISPLAY
"E-41" Programming
failure
"E-46" Eeprom memory
write error
"E-47" A-to-D failure
(Analog converter
chip)
"E-48" Input system
error (CPU can't
read buttons
digital inputs)
"E-70B" Faulty power
switch, or switch
wiring; faulty
I/O board
"E-92" 24-VAC fuse
on I/O board open
Oct. 2004
CAUSE
Turn switch to OFF position, then back to ON; if display
shows "E-41", the control should be re-initialized (see Pro-
gramming section); if the error code persists, replace the
control panel
Turn switch to OFF position, then back to ON; if display
shows "E-46", the control should be re-initialized (see Pro-
gramming section); if the error code persists, replace the
control panel
Turn switch to OFF position, then back to ON; if display
shows "E-47", the control should be re-initialized (see Pro-
gramming section); if the error code persists, replace the
control panel
Turn switch to OFF position, then back to ON; if display
shows "E-48", the control should be re-initialized (see Pro-
graming section); if the error code persists, replace the
control panel
Have power switch checked, along with its wiring; have
Input/Output board replaced, if necessary
Have components, in 24-volt circuit (I.E., hi limit, drain
switch) checked for shorts
PANEL BOARD CORRECTION
1-12
Model 691