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When
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Tools
Digital thermometer with
surface probe.
Check Calibration of Temperature
IMPORTANT: Do not perform this procedure until the toaster has been on
for at least 45 minutes and temperature has stabilized. Do not use the toaster
during this 45-minute period.
1. Place the rear of the bun board on top of the control box and place the rest of the
bun board on top of the platen.
NOTE: On dual platen toasters (411 & 416), the bun board is only required
for use on the top platen.
2. On dual platen toasters, use
3. Center the digital thermometer on the front edge of the platen. When the
corresponding LED on the control panel turns on, immediately record the digital
thermometer temperature reading.
NOTE: On dual platen toasters (411 & 416), perform step 2 on the lower
platen first, then the upper platen.
IMPORTANT: If the temperature reading on the platen is greater than +/-
3°C (+/-5°F) compared to the toaster temperature display, proceed with step
3 to perform calibration. If temperature reading is within range, toaster is
functioning properly and does not require calibration.
4. Enter the calibration mode by pressing and holding
beep will sound and the LED next to the calibration symbol will turn on. Release
all buttons.
5. Press and release
to select upper platen for calibration or
platen. Allow 10 seconds for the display to stabililize. The display will show the
measured platen temperature value with no offset.
NOTE: On dual platen toasters (411 & 416), calibrate each platen separately.
6. When the corresponding platen LED turns on, use
temperature to match the reading recorded in step 3.
NOTE: Temperature can only be adjusted +/-5°C (+/-9°F).
7. Press
to store the new calibrated temperature and to exit calibration mode.
IMPORTANT: After calibration is complete, allow one full heater on/off
cycle to allow the new calibrated temperature to stabilize.
to select the platen to be calibrated.
for 6 seconds. A
to adjust the display
©2000 McDonald's Corporation
to select lower
Printed in DEC 00
Revised in SEP 00
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