Ch. 19. Air Temperature Controller Sec. 19.9. Error messages
This error is caused by the Feedback Sensor (Head Sensor) not being read. The possible causes can be:
• The ATC power was shut off for more than a minute while the software was running.
• A change was made to the ATC’s infoblock programming.
• The software was started with the ATC off and then the ATC power was turned on.
Note Click on the blue spiral button to the left of the device list. This will rescan the smart start bus.
Alternately, you can power cycle the ARC2 controller to force a smart start rescan. Finally you can exit
and reenter the software.
19.9.3.2. Error: Reverse AC Power Polarity
This error is caused by faulty wiring in the wall receptacle.
Usually only happens on new installations or if you’ve relocated the instrument to a new location.
Reverse plug on non-polarized receptacles.
Note Contact your facilities personnel to confirm correct wiring exists. Once repaired you can clear the
error.
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