crwdns2935425:02crwdne2935425:0
crwdns2931653:02crwdne2931653:0

Activate error code mode
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Press and hold the start pause button for 10 seconds until the screen lights up.
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Release the button once the first error code appears on the display.
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0