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PROBLEM: No Display

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CAUSESSOLUTIONS
No power to controllerCheck fuse on SL1600 with inline fuse holder. Check fuse holder on SL1600 or SL800. Replacement fuse is 1A slow blow for SL1600 and and 1.5A slow blow for SL4800.
No 24V power from transformerReplace transformer. Likely power surge damage.
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