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What can cause an E-19 on an ATV212 drive?

Issue:
E-19 on display

Product Line:
ATV212

Environment:
All models and serial numbers

Cause:
Communication error between control CPU's

Resolution:
This is a CPU Communications Error
Check the environment (electromagnetic Compatibility)
Power down and after the display is blank, remove all control wiring and then reapply power and see if the fault returns.
Check that no external +24v supply is connected to the control terminals.
Open the door and check all the inner connections.
Power cycle the drive and if the fault returns, the drive appears to be inoperative.
 


 
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