GASBOY Series 9800A
4-10
03/07/03
Product is dispensed, but no quantity shows on the 9800A display.
Possible Cause
Checks
Corrective Action
Broken or damaged coupling.
Broken or damaged coupling.
Repair or replace coupling if
damaged.
Defective pulser or defective
CPU PCB.
While dispensing fuel slowly,
measure between GND (TP2)
and pins 1 and 2 of connector
P3 (side 1) or P5 (side 2) on
the CPU PCB using an
oscilloscope.
Replace the pulser if a +5VDC
square wave is not measured
between GND and pin 1 and
between GND and pin 2 of the
appropriate connector.
Replace the CPU PCB if a
+5VDC square wave is
measured but the displays still
show no quantity.
NOTE: Changing the pulser
rate switches may require
replacement of your Weights
and Measures seal.
Summary of Contents for 9800A Series
Page 8: ......
Page 11: ...Chassis Wiring 03 07 03 2 3 115VAC 60 CYCLE PUMP WIRING...
Page 12: ...GASBOY Series 9800A 2 4 03 07 03 115VAC 60 CYCLE DISPENSER WIRING...
Page 13: ...Chassis Wiring 03 07 03 2 5 230VAC 50 CYCLE PUMP WIRING...
Page 14: ...GASBOY Series 9800A 2 6 03 07 03 230VAC 50 CYCLE DISPENSER WIRING...
Page 15: ...Chassis Wiring 03 07 03 2 7 115VAC 60 CYCLE FRONT LOAD OPTION PUMP WIRING...
Page 16: ...GASBOY Series 9800A 2 8 03 07 03 115VAC 60 CYCLE FRONT LOAD OPTION DISPENSER WIRING...
Page 17: ...Chassis Wiring 03 07 03 2 9 230VAC 50 CYCLE FRONT LOAD OPTION PUMP WIRING...
Page 18: ...GASBOY Series 9800A 2 10 03 07 03 230VAC 50 CYCLE FRONT LOAD OPTION DISPENSER WIRING...
Page 19: ...Chassis Wiring 03 07 03 2 11...
Page 20: ......
Page 39: ...Electronic Head Assembly 03 07 03 3 19 Connectors Relay Drive Pump Motor Power...
Page 60: ......
Page 65: ...Replacement Instructions 03 07 03 5 5...
Page 72: ...GASBOY Series 9800A 5 12 03 07 03...
Page 75: ......
Page 76: ...APPENDIX PARTS LIST...
Page 77: ......