Program Status; Program Hold With Holdback; Power Failure Recovery - Carbolite Gero 3508 Installation, Operation And Maintenance Instructions

3.0 3508 Controller
Run will be displayed
3.8.10

Program Status

While a program is operating the home display shows 3 values:
Top: Measured temperature
l
Centre: Program Setpoint (PSP)
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Bottom: Power output percentage
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To see more detail:
Press page once to go to the program status page. The top and centre values from
the home page remain on the display. The lower half of the screen now shows:
Current program number (P10 and P25 only)
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Current segment number
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Time remaining for that segment
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Further presses of the scroll
information:
Status. This can be changed to 'Hold', 'Reset' or 'Run' by pressing up
Program Setpoint (PSP)
Current Segment Type. 'Step' and 'Call' segments are instant, so are only flashed on
the screen, unless holdback is operating on that segment.
Target Setpoint
Segment Rate For 'Rate', 'Time' and 'Step' segments only
Cycles left
Program Time Left
3.8.11

Program Hold with Holdback

If a holdback value has been set and the program goes into a hold state, the green HLD
indicator will flash until the measured temperature catches up.
While in this condition, the program itself is put into hold by pressing the RUN/HLD
button, the 'HLD' indicator will stop flashing and remain on with the 'RUN' indicator.
When the program is started again by pressing the RUN/HLD button, the 'HLD' indicator
will flash again if the measured temperature has not caught up with the program.
Programming note: For P10 and P25 models, other programs can be created or
changed whilst the current program is operating.
3.8.12

Power Failure Recovery

If there is a power interruption to the controller during a program, when power is
restored the controller pauses the program, then ramps the temperature back up to the
current program setpoint (PSP) before continuing the program.
18
key while a program is operating will reveal additional
or down