Gasboy CFN Series Diagnostic Manual - Manual (Page 159)

Island Card Reader
03/19/04 4-43
OUT OF SERVICE Displayed on ICR.
Possible Cause Checks Corrective Action
Site controller not running. Check that the site controller is
functioning properly. If not, go to the problems
section of Section 2 or 3
depending on your site
controller.
ICR not configured at the site
controller. Do a PRint DIagnostics
command at the site controller. If the ICR doesn't show up in
the PRint DIagnostics
command you must add the
reader terminal.
For SC II, use the TABLE
program to add the ICR. For
SC I, the CONFIG locations
are Table 18-Offset 12 for
initial number of readers and
Table 18, offsets 14 and 15 for
maximum number of readers.
Incompatible software
between the site controller and
ICR. If the site controller software
was just changed, call
GASBOY Technical Service to
verify software compatibility. Make sure the prom is
installed properly. Replace
software if instructed to do so.
ICR not enabled from site
controller. Do a PRint DIagnostics
command at the site controller. If the printout says Reader
Terminal Went Down, Never
Came Up, or was Disabled By
Command, do an ENable
REader X (where x is the ICR
address.
Defective RS-485 protection
PCB in junction box. Using an oscilloscope,
measure between screw
terminals 3 and 4 on TB1 of
the junction box RS-485
protection PCB. Replace the RS-485 protection
PCB if a 5VDC square wave is
not measured between pins 3
and 4.
Incorrect wiring between the
RS-485 junction box and the
ICR. Using an oscilloscope,
measure between screw
terminals 3 and 4 on TB1 of
the ICR RS-485 protection
PCB. Repair any shorts, opens, or
crossed wires if a 5VDC
square wave is not measured
between pins 3 and 4.
Defective RS-485 Protection
PCB in ICR Using an oscilloscope,
measure between pins 21 and
22 on P7a of the Reader
Terminal CPU board. Replace the RS-485
Protection PCB if a 5VDC
square wave is not measured
between pins 21 and 22.
Defective Reader Terminal
CPU Board Check if L2 is flashing. If L2 is not flashing, replace
the Reader Terminal CPU
Board.
(Continued)