Gasboy 1000 Series FMS Diagnostic Manual - Manual (Page 101)

GASBOY Series 1000
6-16 03/07/03
Automatic (Continued)
Possible Cause Checks Corrective Action
Disable Pumps switch is not
passing 12VDC through to
relays. Press the button fully in. Pull
the button fully out. Recheck
the pump.
With a DC voltmeter, measure
between each red wire of the
switch to DC ground. Is +11.8
- 13.2 VDC measured on each
wire?
If pump works, Disable Pumps
switch is OK.
Replace the Disable Pumps
switch if 11.8-13.2VDC is not
measured on each wire.
Defective PC PCB or defective
relay. Connect the pump simulator to
appropriate PC PCB position.
Authorize the pump. Does the
relay LED on the pump
simulator light? Replace the PC PCB if the
pump simulator relay LED
does not light.
Replace the relay if the pump
simulator relay LED does light.
NOTE: If the hose outlet is a
pump, replace the relay for the
A contacts of the relay module.
If the hose outlet is a
dispenser, replace the relay for
the B contacts of the relay
module.
*
* This corrective action assumes that the relays are installed as indicated in the Installation
manual.