Nilfisk RS 1301 Betriebsanleitung, Originalanleitung Seite 211

Problem
HOPPER AND RELEVANT DOOR
The hopper door does not open/close.
It is possible to open/close the door, even
when the machine is moving.
The warning light on the switch that
identifi es that the door is open is
constantly turned on.
DUST CONTROL SYSTEM NOZZLES
No water is coming from the nozzles.
No water is reaching the nozzles.
Diagnostic of K28 and the system of
levels.
The switch is pressed but the door does not open/close.
The input does not reach relay K15.
The output is not being provided by the display.
The operator is not on the driver's seat.
The output is supplied by the display, but the command on the door is not executed and the relay does
not activate.
The output is supplied by the display, but the command on the door is not executed and the relay
activates.
The fuse is intact and the command still does not operate.
The switch is working properly and, when opening/closing, the potentials on pins 3 and 4 are reversed.
There is no voltage on the actuator during activation.
There is voltage on the actuator during activation.
Possible disconnection of the speedometer sensor.
The tachometer sensor is working properly and the display indicates the correct speed of the machine.
The actuator for opening/closing the door is damaged.
The water fi lter is clogged.
The nozzles are clogged.
The machine did not start.
The machine started but there is no water delivery. The warning light for the switch is off, the broom
switch is activated with the warning light off and the switch for the fans is in AUTO with the warning
light on.
The machine started but there is no water delivery. The warning light for the switch is off, the broom
switch is activated with the warning light off and the switch for the fans is in AUTO with the warning
light off.
The operator is on the driver's seat, but there is no water delivery. (Fan warning light to OFF)
The operator is on the driver's seat, but there is no water delivery. (Fan warning light to ON)
The machine is running, the operator is on the driver's seat, the warning lights on the fan and broom
switches are on, but there is no water delivery and the light of the water switch is off.
The display does not provide any output for water delivery, but the dedicated symbol for it indicates
full.
The connections for the display relay are correct and the reference for the relay is provided.
The operator is on the driver's seat, but there is no water delivery. (All the tests were properly carried
out, fan warning lights to OFF)
Relay K5 is operating properly.
Fuse F08 is intact, the relay is activated and there is an activation voltage on pin 87.
The connections are correct, but the warning light is not on.
The connections are correct and the warning light is on.
The pump does not operate.
There is power on pin 1 of connector 3 of the display, but this is not available on pin 2.
The display has stopped because there is an error in the connections ("bottle" symbol with
exclamation mark).
The indications on the display are correct and they state that there is water.
The display is working properly and supplying output. The connections between the display and K28
are intact.
At rest there is no voltage on this pin.
There is voltage on pin 86 of K28 and the relay is active.
RS 1301
USER MANUAL
Possible cause
33018310(3)2010-01 A
ENGLISH
61