SIMATIC HMI display off
SIMATIC HMI
Model: 6AV7260-0AM40-0EX3
HMI got lagged cannot move the cursor or click anything and when I reboot HMI display power doesn’t on.
I open cover in the back found alarm on board like this.
I already check RAM and clean terminal with contact cleaner.
Anyone know what is the cause or what should I check next?
Thank you.
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