Temperature Regulation; Timer Operation; Special Program Mode; Fahrenheit Or Celsius - Henny Penny HC-903 Service Manual

Heated holding cabinet
Table of Contents

Advertisement

Temperature Regulation

It is possible to regulate the setpoint tem-
perature. Depress and hold the PROGRAM
button for one second, then the control
beeps and the top display shows "Prog,"
release the button. The top display will now
show "Prog Enter Code." Enter access
code 1-2-3. The setpoint temperature will
now start blinking in the display and the
setpoint can now be changed be depressing
the Increase and Decrease buttons. Press
and hold the Program button to exit Pro-
gram Mode.

Timer Operation

Each of the 5 timers operate independently
of each other and may be started, stopped,
or aborted regardless of the status of the
other timers. By depressing the desired
timer button, the timer display will show the
time remaining at the end of the timing cycle
an alarm will sound and "0:00" will flash in
the dimer display. Depressing the timer
button, the timer display will show 3 dashes
("---").
To cancel a timer before it counts down,
depress and hold the timer button.

Special Program Mode

The Special Program Mode consists of a
Setup Mode and a Tech Mode.
The Setup Mode accesses the following
features:
1.

Fahrenheit or Celsius.

2. Initialize System - a one button pro-
gramming for times and temperatures.
To enter the Setup Mode:
1. Depress and hold the Program button
for at least 4 seconds. Setup and Tech
will show in the display.
2. Depress the timer button under the
word Setup. Ex: "Setup", depress
either 1 or 2.
3. Enter access code 1-2-3. "Setup deg. "F"
shows in the display.
Fahrenheit or Celsius
Once in the Setup Mode, and "Setup deg. F"
shows in the display, depress the Increase or
Decrease buttons. The display will toggle from
Fahrenheit and Celsius (F
correct setting is displayed, depress and re-
lease the Program button to move the next item
in the Setup Mode, or depress and hold the
Program button to exit the Setup Mode and
return to normal operation.
Initialize System
The next item in the Setup Mode is the initialize
system step. This step completely resets the
control back to factory settings. "Setup init sys"
shows in the display. To perform the initialize
operation, press and hold either the Increase or
Decrease button. The control will start beeping
and display will start counting down from "5".
Once the control reaches "0", the Increase or
Decrease button can be released, and the
initialization is complete.
If the Increase or Decrease button is released
before the count down reaches "0", the control
will not initialize.
Depress and release the Program button to
return to the F
/C
o
the Program button to exit the Setup Mode and
return to normal operation.
Tech Mode
The Tech Mode accesses the following fea-
tures:
1. Output test - Heaters
2. CPU Calibration
3. Temperature Probe Calibration
4. Display Tests
5. Push-buttonTest
6. Total Initialization
11
or C
). When the
o
o
step, or depress and hold
o

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents