Page 40 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?
Price counter does not stop.
a) Preset or its connections may be short
circuited.
a) Check the connections.
a) Correct the connections and
change preset if situation persists.
Unit price window blinks.
a) Pr-In keys on the CPU may be jammed.
a) Check the keys on the CPU.
a) Fix the problem by pressing keys.
b) CPU cap may be broken.
b) Check the CPU cap.
b) Replace the CPU cap.
Display shows incorrect price.
a) Parameters are entered incorrectly into
CPU card.
a) Check the parameters entered into
CPU card.
a) Re-enter parameters accurately.
b) Solenoids may leak.
b) Check the solenoids.
b) Replace solenonids.
Nothing on display.
a) Display temperature may be more than
40
o
. (display is erased in this case)
a) Check the display temperature.
a) Problem shall be fixed when
display temperature is normal.
b) Display card may be broken.
b) Check the display card.
b) Replace the display card..
c) There may be problem on display
connections.
c) Check the display connections.
c) Connect cables correctly.
Nozzle does not deliver gas even
though it is switched “on” and
diver is activated.
a) Break-away coupling on the hose may be
closed.
a) Check if break-away coupling is
placed correctly.
a) Firmly place or replace break-away
coupling.
b) Solenoid valves may not open.
b) Check if solenoid valves are
opening.
b) Replace solenoid valves.
c) Pneumatic valves may be closed.
c) Check if nitrogen tube is full or not.
c) Replace nitrogen tube.
d) Check valve in the nozzle may be broken.
d) Check the in-nozzle check valve.
d) Replace in-nozzle check valve if
broken.
