GASBOY Series 9800A
4-14
03/07/03
With the 9800A in standalone mode, one or more displays flash 55 at the far left of the
display.
Possible Cause
Checks
Corrective Action
9800A is running on battery
power (Skip this Possible
Cause if your 9800A is not
equipped with a battery back-
up power supply).
Check if the breaker supplying
power to the MICRO circuit is
off or tripped.
Check if 115/230 VAC is being
switched through circuit
breaker.
Check if 115/230 VAC is
measured in 9800A AC
junction box.
Check the MICRO power
switch.
Check the fuse in the power
bracket.
Turn breaker on, if off.
Replace circuit breaker if
115/230 VAC is not being
switched.
Correct wiring problems if
115/230 VAC is not measured.
Turn on, if off.
Replace fuse if blown.
Defective AC power fail circuit.
Using a DC voltmeter,
measure between ground
(TP2) and pin 3 of connector
P10 (violet wire) on the CPU
PCB.
Replace the power supply
PCB if +5VDC is not
measured between ground
and the violet wire.
With the 9800A in standalone mode, one or more displays flash 56 at the far left of the
display.
Possible Cause
Checks
Corrective Action
Bad pulser or CPU PCB.
With the pump handle in the
off position (nozzle hung up),
observe the pulser lamp
indicators on the CPU PCB,
while slowly turning the pulser
shaft. Both lamps (PULA and
PULB) should flash on and off.
If both lamps do not flash,
replace the pulser. If both
lamps flash, replace the CPU
PCB.
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: ......