Owner`s manual

PLC Control Startup
24
Temperature Calibration
To Ve r if y Oven Ca l ib r a ti o n
1. Place a temperature probe in the center of the
oven cook cavity to verify proper calibration.
2. Start the oven and allow to cycle at the normal
temperature for 30 minutes.
3. If the oven is not cycling to within
¦ 5_F(3_C)
of the setpoint use the following calibration
procedure.
To Enter Configuration and Calibration Mode:
1. With the oven off , press and hold the UP AR-
ROW key and the ENTER/RESET key simul ta-
neously for approximately three seconds.
The display reads:
ACCESS CODE
000
2. To enter the service level access menu, press
and hold the UP ARROW key until the bottom
line of the display reads 331.
NOTE: If no key is pressed within 60 seconds
or if the UP ARROW and ENTER/RE -
SET keys are pressed simultaneously
for about three seconds, the display
will return to the previous mode.
3. Press the ENTER/RESET key to enter the
Configuration and Calibration mode.
4. The display reads:
SELECT PROGRAM
MAN/MENU MODE
Use either arrow key to scroll through t he
choices on the bottom line of the display.
When the bottom line reads CALIBRATION
ROUTINE press the ENTER/RESET k ey.
To Calibrate the Cook Temperature:
1. The display reads:
SELECT TEMP/TIME CAL
XXXX
Use the arrow k eys to toggle between TEMP
and TIME. Press the ENTER/RESET key to se-
lect temperature calibration.
NOTE: The control will stay in the calibration
mode until the UP ARROW and the EN-
TER/RESET keys are pressed simulta-
neously for about three seconds.
2. The oven continues to operate; however, the
conveyor does not move.
3. The display reads:
SELECT TEMP MODE
DEGREES X
Use the arrow keys to toggle between_ Fand_ C.
Press the ENTER/RESET key to select the de-
sired temperature units.
4. The display reads:
SELECT CAL SET POINT
XXXF
Use t he arrow keys to scroll t o the desired cal-
ibration set point temperature. Press the EN-
TER/RESET key to select that temperature.
5. The display reads:
SET POINT TEMP XXXF
CAL PROBE TEMP XXXF
NOTE: Thetemperatureinlinetwoofthedis-
play will be flashing.
Use the arrow keys to scroll to the actual tem-
perature measured by the probe. Use the av-
erage of the high and low temperatures seen
during heat cycling. Press t he ENTER/RESET
key to enter the probe temperature.