Gasboy CFN Series Diagnostic Manual - Manual (Page 324)

GASBOY CFN Series
10-4 0021
Console doesn't sense cash drawer closure.
Possible Cause
Checks
Corrective Action
Defective cash drawer. Measure between the COM
(DC ground) post of the
Console power supply and pin
5 (green wire) of P6 on the
Console CPU board. Replace the cash drawer if
the signal at pin 5 of P6
doesn't go from +5VDC
(drawer open) to 0VDC
(drawer closed)
Improper switch setting on
Console II CPU board. Skip
this part if you have a
Console I. Check position of SW2-6 Close SW2-6 and press reset
switch SW1 on the Console
CPU board
Defective Console CPU
board. None. Replace the Console CPU
board if cash drawer closure
is still not sensed