Error Codes - Countdown Timers - Henny Penny HHC-901 Operator's Manual

4-2. ERROR CODES -
COUNTDOWN TIMERS
DISPLAY
"E-4" Control board overheating
"E-5" Unit overheating
"E-6" Temperature probe failure
"E-41" Programming failure
"E-50" RAM failure
"E-51" NOVRAM failure
"E-53" EPROM failure
4-2
The CDT controls have built-in diagnostics which display er-
ror codes on the display. This section describes the codes.
CAUSE 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 back 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 back 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 re-initialized (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 back to
ON; if "E-51" reappears, replace control
board
Turn switch to OFF position, then back to
ON; if "E-53" reappears, replace control
board
Model HHC-901/904
Aug. 2009