Nilfisk RS 2200 Manuel D'utilisation page 169

Problem
SUCTION INLET AND SKIRT
The suction inlet does not lower
The skirt does not open/close
HOPPER AND RELEVANT DOOR
The hopper does not lift/dump
The hopper does not return to horizontal posi-
tion/lower
The hopper door does not open/close
Possible cause
The lowering control has not been used prop-
erly
The safety chain is locked
There is an open in the lowering push-button
The power supply fuse is open
The distributor solenoid valve is not powered
There is no pressure at the hydraulic system
The cylinder calibration dowels are clogged
There is an open in the opening/closing
switches
The power supply fuse is open
The distributor solenoid valves are not powered Check the electrical system
There is no pressure at the hydraulic system
The cylinder calibration dowel is clogged
The skirt is damaged or jammed
The working mode is not activated
The hopper sensors are out of position or dam-
aged
The hopper is not at a safe position to be
dumped
There is an open in the lifting/dumping switches Replace
The power supply fuse is open
The distributor solenoid valves are not powered Check the electrical system
The solenoid valves are stuck
There is no pressure at the hydraulic system
The support rod is not engaged
The hopper has not returned to horizontal
position
The hopper sensors are out of position or dam-
aged
There is an open in the lifting/dumping switches Replace
The power supply fuse is open
The distributor solenoid valves are not powered Check the electrical system
The solenoid valves are stuck
There is no pressure at the hydraulic system
The hopper is not at a safe position to be
dumped
The locking cylinder calibration dowels are
clogged
The hooks are locked
The door has not fully lowered before activation
of the fan
RS 2200
USER MANUAL
Hold the control pressed longer
Release
Replace
Replace
Check the electrical system
Check the pump pressure
Disassemble and clean
Replace
Replace
Check the pump pressure
Disassemble and clean
Repair
Activate the working mode switch
Adjust or replace
Lift the hopper more
Replace
Replace
Check the pump pressure
Lift and engage
Fully retract before lowering
Adjust or replace
Replace
Replace
Check the pump pressure
Lift the hopper more
Disassemble and clean
Disassemble and clean
Dump and retract the hopper
33019476(3)2010-02 A
ENGLISH
Remedy
47