Frequently Asked Questions
E-19 code on the ATV21/ATV212 drive.
Altivar ATV21 ATV212
All models, all serial numbers
Drive trips with E-19 code.
E-19 error is a communication error between control CPUs on the ATV21/212 drive. The fault is usually due to a loose connection on the cable connecting the control card and power board. Another possible cause is that the power board or control board is damaged. Make sure there is no 24V or 10V supply on VFD being shorted due to wiring.
E-19 on display
All models and serial numbers
Communication error between control CPU's
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.
Part number 319 can be run up to 20mins.
The part number is 319RA.