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DSQC352 fault

Hi everyone,
I am facing a breakdown on our company production line .There is a waterjet system with two  ABB2400 IRC4+ robots installed on this machine,the error no. on the teachpendant is 71104 which I guess is about theDSQC352.There are two LEDs on the DSQC352 board  about the MS status and the problem is both red and green leds are on .Could you please help me to look into this and fix it.
Thank you .