This is the US sales literature.

Limited Warranty

Coin Acceptors, Inc., hereby warrants all products of its manufacture to be free from defects in material and factory workmanship for a period of twenty-four (24) months from the date of manufacture, as detemined by the Coin Acceptors, Inc. manufacturing code*, subject to the following conditions:

Attached is a JPG file (1Mb) of the Coinco brochure, as shown below (click for enlarged image).

The Guardian Sort sensor is located beneath the sort door. The sort door is opened by pushing

the sort door latch to the left, this allows the sort door to open outwards.

The sort sensor is an optical sensor on the right side of the acceptor, an unblocked sensor

will display a red light. A blocked sort sensor is generally caused by a coin jammed in this

area.