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15
Comestero RM5/6 Coin Acceptor
maintenance
This fact sheet provides the necessary information for the clearing and maintenance of the RM5/6
electronic coin validator.
Cleaning at regular intervals assures a high quality standard of coin recognition and, in the long
run, reduces the risk of error and failure.
External cleaning
The external surfaces of the coin validator are made of a plastic shockproof material (ABS). To
clean them it is recommended to use a soft cloth with a neutral detergent. For more resistant dirt
ethyl alcohol can be used. To remove excess dust from the coin slots and other narrow spaces
the use of compressed air or a paintbrush is recommended.
ATTENTION!
Do not use sharp or abrasive tools, which could damage
the surface and the recognizing sensors.
Do not put the coin validator in water or any other type of
liquid.
Internal cleaning
In the RM5/6 electronic coin validator the coin recognizing sensors are installed behind a small
spring door. Open the door to have access to this space as shown (fig.1).
Clean the excess dirt from behind the door with a grease removing spray, for example a normal
detergent for windows and mirrors, removing more resistant dirt with a small brush. Ethyl alcohol
can be used.
There are three small holes behind the door. These holes are where the coin recognizing sensors
are put in place (fig.2). If dust or dirt blocks these holes the performance of the coin validator
could be reduced and, in extreme cases, no coins would be recognized.
To keep the sensors clean whilst in position use compressed air only.
ATTENTION!
Do not use any type of sharp object, such as pins or
screwdrivers, to remove dust from the sensors as they
could be irreparably damaged putting the coin validator
out of use.
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