Leave it on for a few hours then cycle the power and try again, old machines with old capacitors don't like the cold.
After having been producing parts daily with no issues, after having been sitting powered down for less than a week my SL1 wont fully power up. It did initially, but X wouldnt zero return. Now I cant get past alarm 28 which the manual describes as "system unready". It has been really cold for the past week, maybe that's an issue? Help please!
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Leave it on for a few hours then cycle the power and try again, old machines with old capacitors don't like the cold.
Okay, I'll do that right now. Thanks, I'll let you know how it goes.
Didn't work : (
Did you try to reset all breakers in both cabinets. Machine unready can also be related to any overload or breakers that are tripped.