Fayat Group DYNAPAC SC2500WS Operating Instructions Manual page 330

2.2 Malfunctions on the paver finisher or screed
Malfunction
At the diesel engine
Diesel engine does
not start
Tamper or vibration is
not functioning
Conveyor or augers
run too slowly
Hopper cannot be
swung open
D 43 40
Cause
Various
Batteries empty
Various
Tamper is obstructed by cold
bitumen
Hydraulic oil level in the tank
is too low
Pressure limiting valve is
defective
Leak in the suction line
of the pump
Oil filter is soiled
Hydraulic oil level in the tank
is too low
Power supply interrupted
Switch is defective
One of the pressure limiting
valves is defective
Pump shaft broken
Limit switch does not switch
or regulate correctly
Pump is defective
Oil filter is soiled
Engine speed is too low
Hydraulic oil level is too low Top up oil
Leak in the suction line
Flow rate regulator defective Replace
Leaking seals of the hydrau-
lic cylinder
Control valve is defective
Power supply interrupted
Remedy
See operating instructions
for the engine
See "External starting" (start
assistance)
see "Towing"
Properly heat the screed
Top up oil
Replace the valve; if necessary,
repair and adjust the valve
Seal or replace the connections
Tighten or replace the hose
clamps
Clean the filter; if necessary,
replace the filter
Top up oil
Check fuses and cables; replace
if necessary
Replace the switch
Repair or exchange the valves
Replace the pump
Check the switch; replace and
adjust the switch if necessary
Check the high pressure filter for
dirt particles; replace if necessary
Replace the filter
Increase the speed
Tighten the connections
Replace
Replace
Check fuse and cables;
replace if necessary