Cobra 4400 Betriebsanleitung Seite 49

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* Operations to be carried out only by authorised installer workshop
The winch does not work when single
operated
The winch does not work when operated
together with other functions
- Solenoid valve V4 jammed in closed
position (dirt, working shaving, long
inactivity periods) (pict.12)
- Solenoid valve V3 jammed in closed
(dirt, working shaving, long inactivity
periods) (pict.12)
- Flow divider 1 wrongly set or not
working (pict.12)
- Unlock, clean or in case replace the
solenoid valve cartridge
- Unlock, clean or in case replace the
solenoid valve cartridge or the flow di
vider
Fault Cause Remedy
One of the function does not work. Defective switch
Burned solenoid.
Locked valve cartridge
Damaged electric connection.
Replace the switch
Replace the solenoid.
Disassemble and clean the valve cartri-
dge
Check continuity of the circuit
All the functions work at full speed
It is not possible to adjust the speed
Multi-function operation are not possible
The proportional valve is not working
The trigger on the hand-held control box
is not working
Electric valves EV3 and EV4 does not
work (pict. 12)
Check and clean the valve cartridge on
an authorized workshop *
Check the relevant potentiometer and
electric board on an authorized
workshop *
Check the relevant solenoid
Check and clean the relevant valve car-
tridges
All the functions do not work No power (or insufficient) to the shunt
boardor the remote control box
The proportional valve does not meter
(pict.11 - 12)
Electric valve EV9 is not working
The trigger on the remote hand-held
control box does not worck
Check relevant fuzes and indicator LEDS
Check tension with a tester
Check the solenoid of the valve
Check and clean the valve cartridge
As above
Check the control box
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