Tokheim TQP-HS - Failure Diagnosis and Troubleshooting

Document Ref 942005-001 Rev 2 Page 3-1
Component Technical Manual TQP-HS for Fuel Dispensers
CONTENTS
3 FAILURE DIAGNOSIS .............................................................................................. 3-2
3.1 Failure Diagnosis ..................................................................................................3-3
3.2 Flow Charts ..........................................................................................................3-4
3.2.1 No Fuel Flow .......................................................................................3-4
3.2.2 Reduced Fuel Flow ..............................................................................3-5
3.2.3 Uneven Fuel Flow................................................................................3-6
3.2.4 Closing of the Overflow Valve ............................................................3-7
3.2.5 Excessive Noise...................................................................................3-8