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ALARMS

When a fault or adverse operational condition arises, an audible and visual alarm will be initiated:

General alarm in left window / right window will show mode (storage temperature/blast

or defrost)

Mains failure alarm in left window / right window will show mode (storage

temperature/defrost) (longer than 3 minutes)

The alarm will sound intermittently. Press

✗✗

to mute the alarm, the alarm will retrigger if the fault causing the

alarm has not been addressed. The alarm mode will still be displayed

More information on the alarm can be displayed during normal operation by accessing the diagnostic menu -

for 3 seconds.

Left window indicates an alarm - the right window indicates the type of alarm.

When a probe is at fault then the windows will display as follows:

Left window indicates probe type and the right window indicates the fault type.

T1 - air probe T4 - Food probe 1

T2 - evaporator T5 - Food probe 2 (no probe)

T3 - auxiliary probe (not applicable) T6 - Food probe 3 (no probe)

Alarm codes that are displayed are:

E1 - HP/LP fault Hi - High temperature

E2 - Over temperature Lo - Low temperature

E3 - Mains failure longer than 3 minutes or - Probe over range failure

Alarms during Blast Cycles

If the blast chill cycle has been terminated as a result of an fault causing an alarm, a defrost cycle will

automatically be initiated. However, if an alarm occurs such as evaporator probe (T2) fault then the blast chill

cycle will continue.

Door Open Alarm

This is currently not enabled as there is no switch fitted on the cabinet. Should an alarm be initiated with ‘do’

being displayed in the left hand window - the parameter has been incorrectly changed and needs reversing.

We would recommend this is undertaken by a qualified engineer.

Cancelling Alarms

Alarms may be cancelled in the following way:

- Putting the cabinet in standby will cancel all alarms

- All alarms can be reset when the fault is removed, except the mains failure alarm. This alarm

remains displayed until another blast cycle is initiated.

press and hold

- - -

Williams WBC10 Operator's Manual

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