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.