Page 42 of 47
28.06.13
DIS-14-ek
Rev Nr: 1
Appendix B
– Failure Guide
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSES?
WHAT TO CHECK?
HOW TO FIX THE PROBLEM IF
DETERMINED?
Display continues to count even
though the nozzle is disconnected.
a) Safety valve may leak.
a) Check the safety valve.
a) Clean any dirt if exists.
b) Parameter values may be
interfered..
b) Check the parameter values.
b) Adjust parameter settings.
c) CPU card may be broken.
c) Check the CPU card.
c) Replace the CPU card.
d) Pulser may be broken.
d) Check the pulser.
d) Replace the pulser.
Delivery stops while dispensing gas..
a) Pump pressure may be drooped.
a) Check the pump pressure.
a) Replace the pump if broken.
b) Electrical interruption.
b) Check the voltage.
b) Restore electrical connection.
c) Pressure sensor may be broken.
c) Check the pressure sensor.
c) Replace the pressure sensor.
d) Analog adjustment may be
incorrect.
d) Check the analog values.
d) Adjust the analog values.
e) Gas sensor may be interrupting gas
flow due to a leakage.
e) Perform leakage test on al systems.
e) Fix found leaks.
Dispenser Fluorescent is off.
a) Fluorescent may be died out.
a) Check the Fluorescent.
a) Replace Fluorescent.
b) Fluorescent fuse may be blown.
b) Replace the fuse.
c) Fluorescent may be loosened.
c) Place fluorescent correctly.
Dispenser Manometer is not working.
a) Manometer may be broken.
a) Check the manometer.
a) Replace the manometer.
