Gasboy CFN Series Diagnostic Manual - Manual (Page 162)

GASBOY CFN Series
4-46 03/19/04
ICR Responds incorrectly to cards. BAD CARD, READ ERROR, or no response at all
occurs.
Possible Cause Checks Corrective Action
K Jumpers and dipswitches
are set incorrectly. Check K jumpers and
dipswitch settings on the
reader terminal CPU board for
proper settings. Correct settings of K jumpers
and dipswitches if they are
wrong.
Card reader is dirty. None. Use a GASBOY head cleaning
card to clean the magnetic
head or optical reader glass.
Phone cable not connected to
correct communications port. Check that the phone cable is
connected to LOOP 1 ISLAND
on the SC II or PCU/RT Port
on the SC I. Install phone cable in correct
port.
For Magnetic Reader Only
Possible Cause Checks Corrective Action
Card is defective. Run self-test # 7. Try cards that you know are
good. If the new cards work,
the original card is bad and
should be discarded.
Defective magnetic reader. Run self-test # 7. If problem still occurs when
card is entered, replace
magnetic card reader.
Defective Reader Terminal
CPU board. Run self-test # 7. If problem still occurs when
card is entered, replace
Reader Terminal CPU board if
replacing magnetic card
reader did not correct problem.