Hour Counter - Theben TR 611 top3 Manual

Hour counter

The operating hours of the channel (relay) are displayed and
deleted in the OPTIONS menu. If the number of operating
hours exceeds the value set in the Service menu, SERVICE will
appear in the display.
Example: Replace a lamp after 5000 h.
Delete operating hours or set a higher value in Service (e.g.
†
¾
10,000 h)
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