3 Other operating modes of the G-18.mft - NRI

MAINTENANCE AND SERVICE G-18.mft with vending machine control system
8 Maintenance and service
In this chapter you will out how to
• clean the G-18.mft,
• indicate the battery voltage using the light-emitting diodes on the
validator,
• test the vending machine components to be controlled manually,
• interpret status and error messages of the pilot lights in the machine
door or clear faults,
• remedy the cause of other malfunctions.
Cleaning coin validator
The coin validator must only be wiped clean from time to time with a damp
cloth (lukewarm water with a small amount of washing-up liquid): Beyond
that, no further maintenance work is required.
Under no circumstances may the cloth be so wet that fluid
runs into the device. Otherwise the PCB will be damaged.
Do not use any solvents or scouring agents that will attack the
plastic material of the device.
1 De-energize the coin validator.
2 Carefully open the flight deck 1 on the left-hand side and hold it open
(see Fig. 4).
3 Use a cloth to wipe off the coin runway inside the coin validator.
4 Close the flight deck again.
5 Provide the coin validator with voltage again.
Fig. 4: Opening the flight deck
40 National Rejectors, Inc. GmbH, Buxtehude
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