Primus D13 - Section 8 - Micro Display Control Troubleshooting; Coins Ignored When Entered

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Section 8
Micro Display Control Troubleshooting
88. COINS IGNORED WHEN ENTERED
Does the display on the
electronic control
increment properly?
Is connector H2 on the
control firmly seated in
its receptacle?
Are wires exiting coin
drop optical sensor
cracked or broken?
Exit diagnostic
testing and reset
control. (Prompting
for vend price)
Reconnect and run
diagnostic test
again.
Reconnect and run
diagnostic test
again.
Replace coin drop
or optic switch.
Replace coin drop.
If problem still exists
then replace the
electronic control.
Start coin drop
diagnostic tests.
YES
NO
YES
YES
NO
YES
NO
NO
Single and stacked
units. Gas and electric
heat. Single and three
phase power supply.
TMB1837S
Is the 3 pin connector
between coin drop and
control connected
correctly?