Error Codes - Countdown Timers - Henny Penny HC-5 Operator's Manual

4-2. ERROR CODES -
COUNTDOWN TIMERS
Display
"E-4" Control board overheating
"E-5"
"E-6" Temperature probe failure
"E-41"
"E-50"
"E-51"
"E-53"
4-2
The CDT controls have built-in diagnostics which display er-
ror codes on the display. This section describes the codes.
Cause
Unit overheating
Programming failure
RAM failure
NOVRAM failure
EPROM failure
Model HHC-90X/Model HC-5/15
Panel Board Correction
Turn switch to OFF position, then turn switch
back to ON; if display still shows "E-4", the
board is getting too hot; check for signs of
overheating behind the control panel; once panel
cools down the controls should return to normal;
if "E-4" reappears, replace control board
Turn switch to OFF position, then turn bakc to
ON; if "E-5" reappears, the heating and blower
circuits should be checked, along with the
temperature probe; once the unit cools down, the
controls should return to normal; if "E-5"
reappears, replace control board
Turn switch to OFF position, then bakc to ON; if
"E-6" reappears, the temperature probe should be
checked; once the temperature probe is repaired,
or replaced, the controls should return to normal;
if "E-6" reappears, replace control board
Turn switch to OFF position, then back to ON; if
"E-41" reappears, the control should be
reinitialized (see Operating Controls -
Countdown Timer Section); if "E-41" reappears,
replace control board
Turn switch to OFF position, then back to ON; if
"E-50" reappears, replace control board
Turn switch to OFF position, then bakc to ON; if
"E-51" reappears, replace control board
turn switch to OFf position, then bakc to ON; if
"E-53" reappears, replace control board
Dec. 2016