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When a Blast Cycle has been initiated - the following will be displayed:

Left window - time counting up Right window - clockwise rotating LEDS signifying a cycle in progress

The blast cycle is ended under normal operation by:

- Reaching the required temperature +3°C/37°F or -18°C (0°F).

- Reaching the end of the designated time (90 or 240 minutes).

- Manual cancellation of the cycle by pressing

✗✗

and holding for 2 seconds.

- Putting the controller into standby mode by pressing

A blast cycle may also be terminated due to the following faults or failures:

- Over temperature fault

- HP/LP fault (if enabled)

- Air probe (T1) failure

- Food probe failure - terminates the blast cycle if all the food probes fail. If a 3 probe system is used,

and 1 probe fails, the cycle will continue until the last working probe reaches temperature.

- Mains failure longer than 3 minutes.

At the end of a cycle, an audible alarm will sound for 10 seconds with the left window displaying the time and

in the right window the LEDs will start flashing.

DEFROST

A defrost cycle is automatically instigated at the end of each blast chill cycle to clear any ice from the

evaporator ready for the next cycle. During storage mode a defrost will be performed automatically at the

factory preset interval of 6 hours. If a blast cycle is cancelled the machine will automatically initiate a defrost.

During a defrost the display windows will indicated the following:

Following a blast chill cycle

An alarm condition is present

A mains failure has taken place and no blast chill cycle has been initiated

since the mains failure

A manual defrost can initiated by pressing and holding both

✗✗

and

During the defrost cycle all fans will stop running. When running the defrost cycle is finished the compressor will run

for approximately 60 seconds before the fans cut in. It is safe to leave products in the cabinet during the defrost

cycle - the air temperature rises slightly but will not affect the products stored.

After every defrost there is a short period - about 5 minutes during which a blast cycle cannot be programmed. This

short interval is to allow defrost water to drain away from the evaporator. At the end of each cycle, a defrost

will automatically clear any ice from the evaporator ready for the next cycle.

- - -

for 3 seconds.

Williams WBC10 Operator's Manual

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