Yasnac-I80 CNC alarm: #0020

CNC Alarm Error Message
#0020
Control Manufacturer
Yaskawa
Control Model
I80

Yaskawa/Yasnac CNC Machine Alarm Description

(1) RS-232C ERROR (API-(1) (2) Line specified is already open

Help Others
Post your suggestions for troubleshooting and repairing CNC alarm (Yasnac-I80 CNC alarm: #0020) error message below.
Yaskawa
Yasnac
I80

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