PAT DS 350 - Page 41

Error Codes
© PAT Revision E // SB // 09/03/02 190137_E
35
8. ERROR CODES - continued
ERROR
CODE
ERROR CAUSE ACTION
E19 Error in the
reference voltage.
Electronic component on
the main board defective.
Replace main board and
reset pressure channels.
See Drawing 3 & Procedure
4.
E20 No analog voltages a.)The crane supply
voltage is too low.
b.)The voltage converter is
defective or short circuit
in the wiring.
a.)Check crane voltage.
b.)Check supply voltages.
E21 Upper limiting value
for the measuring
channel “length”
exceeded.
a.)Cable from central unit
to the length/angle sensor
defective or loose.
b.)Length potentiometer
defective.
c.)Electronic component
in the measuring channel
defective on main board.
a.)Check cable. Replace if
necessary. See section 6.
b.)Replace and reset length
potentiometer.
See Procedure 5.
c.)Replace main board and
reset pressure channels.
See Drawing 3 & Procedure
4.
E22 Upper limiting value
for the measuring
channel “pressure
piston side”
exceeded.
a.)Cable from central unit
to the pressure transducer
defective, loose or water
in the plug.
b.)Pressure transducer on
piston side defective.
c.)Electronic component
in the measuring channel
defective on main board.
a.)Check cable as well as
plug. Replace if necessary.
See Section 7.
b.)Replace pressure
transducer and reset
pressure channels. See
Section 7.
c.)Replace main board and
reset pressure channels.
See Drawing 3 & Procedure
4.
E23 Upper limit value for
the measuring
channel “pressure
transducer rod side”
exceeded.
a.) Cable lead in from the
central unit to press trans
defective, not connected
or water in the connectors.
b.) Pressure transducer on
road side defective.
c.) Electronic component
in the measuring channel
defective.
a.)Check cable and
connectors as well and
replace, if necessary.
See Section 7.
b.)Replace pressure
transducer
c.) Replace main board and
reset pressure channels.
See Drawing 3 & Procedure
4.