Pause a menu, Cancel a menu, Change menus or restart – Watlow MINICHEF Convection Oven Application User Manual

Page 11: Door opening, Event outputs, Temperature alarms

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A p p l i c a t i o n 7

Wa t l o w M

I N I

C

H E F

2 0 0 0

9

4.

Once the controller goes into idle, the menu key indicator light and the heat outputs
will switch off. The controller will not regulate to any temperature.

5.

To repeat cooking, repeat steps 1 through 2 or 3.

Pause a Menu

While cooking, you can pause cooking time by pressing the active menu key once. The
menu key indicator light will flash rapidly. [PAUSE] will appear on the display.
Countdown time will resume when you press the active menu key again.

Cancel a menu

Canceling a menu stops the controller completely. The controller does not maintain set
point temperatures or run time. You cancel a menu to run another menu, stop menu
operation for any reason, or are preparing to shut off the oven.

Press the active menu key for 2 seconds. Heat outputs will switch off. Heat output
indicator lights will switch off. [`idLE] or time of day will be on the display.

Change Menus or Restart

With the controller in idle press the key for the menu you want to run.

Door Opening

When you open the oven door (when the oven door is open, the switch is closed and
Event Input 1 is turned on) the unit will act as described below.

During the cooking sequence: time is paused - [`door] will appear on the display. The
heat and fan output signals will shut off.

During the preheat sequence: [`door] will appear on the display. The heat and fan out-
put signals will be shut off.

During idle, the fan output signals will be shut off.

When you close the door the unit will operate normally.

Event Outputs

While running a menu when the Configuration Mode [EtYPE] / [FAn``] is set to
[````2] :
When Low fan speed is on, Event Output 1 is on.
When High fan speed is on, Event Output 2 is on.

While running a menu when the Configuration Mode [EtYPE] / [FAn``] is set to
[````1] :When the fan is on, Event Output 1 is on.

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WARNING: Starting or initiating a menu can cause or initiate fan motion. Appropriate reasonable care should be

taken to prevent personal injury or machine damage as a result of operator initiated or unexpected fan motion.

Temperature Alarms

The controller will alert you to temperature alarm conditions if they occur. If an alarm
occurs, take action as determined by your supervisor. See the Appendix in the Hardware
& Software Setup Guide
for a Troubleshooting Chart and a summary of temperature
alarms.

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