MUFFIN TOASTER MT-12
8
P/N 1010918 11/05
Partial Load Temp. Timer
Adjustment
Full Load Temp. Timer
Adjustment
Power
Switch
Power Cord
Figure 3. Adjustments located on the rear panel
assembly.
MAINTENANCE (continued)
MONTHLY – CHECK CALIBRATION
NOTE: You will need a stopwatch
1. Turn the Rocker Switch (power on/off) to ON and
allow the unit to preheat for approximately 30
minutes.
2. Close the front door and wait for the Audio Signal
to beep. When the Audio Signal beeps, open the
Front Door, then close it again. When the Audio
Signal beeps a second time, open the Front Door.
3. Load 12 muffin halves into the toaster, close the
Front Door, and start and start the stopwatch.
4. Check the time on the stopwatch when the Audio
Signal beeps.
NOTE: The Audio Signal should beep and the
Ready light should come on within 90 to 130
seconds.
5. Open the Front Door to stop the Audio Signal and
to turn off the Ready light.
6. Remove muffins and reload with 6 muffin halves.
7. Close the Front Ddoor, press and release the
Partial Load Control Knob on the right front of the
toaster until the Amber light is lit (Figure 1). Start
the stopwatch.
8. Check the time on the stopwatch when the Audio
Signal beeps.
NOTE: The Audio Signal should beep and the
Ready Light should come on within 85 to 125
seconds.
9. Open the Front Door to stop the Audio Signal and
to turn off the Ready light.
10. If the times are correct, calibration is complete. If
the times are not correct, adjust the timers locat-
ed at the rear of the toaster (Figure 3).
WARNING
During this procedure, hot toasting surfaces will
be exposed. Use extreme care to avoid personal
injury.
Function of Diagnostic LEDs
This section describes the Diagnostic LEDs and their
functions. The Diagnostic LEDs (Figure 4) are found at
the back of the unit.
Rear Panel Diagnostic LEDs
1
2
3
4
5
6
7
Figure 4. Diagnostic LEDs
Full Load Switch Light - ON when the Full Load
Switch is closed.
Thermocouple Fault - ON when the thermocouple
is disconnected or damaged. The toaster will not
heat.
Solid State Relay On - ON when power is sent
to the Solid State Relay. This LED pulses rapidly
during operation.
Ready Light - ON when power is sent to the
Ready Light.
Partial Load Switch - ON when the Partial Load
Switch is closed.
Audio Signal - ON when power is sent to the
Audio Signal.
Partial Load Light - ON when power is sent to the
Partial Load Light.
1
2
3
4
5
6
7
