Corrective ActionProbable CauseProblem
Perform display test F34.02.Defective displayDisplay Segments
Fail to Operate
During Reset Cy-
cle
If sales display only, check/replace data cable to
iGEM.
Replace sales display and controller board assem-
bly.
If an individual UPD, replace UPD.
If all UPD’s only, check/replace data cable to sales
display controller board.
Replace UPD controller board.
If both sales display and UPD’s, replace sales
display.
If a replacement display controller board, check
that switch SW1 is set correctly - see the board
layout section in this manual.
Set unit price in control system.No authorize to dispenser comput-
er.
1Dispenser will not
Reset
Set fueling point function F01.01.
Control system unit price set at
0.000, or no FP# at dispenser.
Set unit price function F03 and F04 for stand-alone
operation
Set fueling point function F01.01=2 for stand-alone
operation
Select different grade. If works, replace defective
PTS switch. If does not work, see the following
possible causes before replacing the UPD con-
troller board.
Defective PTS switch2
Swap nozzle switch cable with a known working
port on the
Defective Nozzle switch or Nozzle
Switch Interface board.
3
Nozz Switch Interface board. If problem follows
the cable, replace nozzle switch. If problem does
not follow the cable, replace Nozzle Switch Inter-
face board.
ReplaceDefective Nozzle Switch Converter
board
4
ReplaceDefective ISB5
ReplaceDefective Computer6
178 WM048523 Rev 08 01/2019
9 Error Codes, Problem Symptoms and Solutions - NA
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