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Nilfisk-Advance MH 4M Operating Instructions

Nilfisk-Advance MH 4M
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*)
Optional accessories / Option depending on model
Original instruction
11
Operating instructions
Troubleshooting MH 4M
Indication light Cause Remedy
Green LED
ON
> Appliance ready for
operation.
When switching on, all the
LEDs light up once before
the motor is switched on.
Yellow LED
ON
> Fuel shortage Top up fuel
Cold water operation possible
Yellow LED
ashing
> Nil sk AntiStone shortage Top up Nil sk AntiStone
Red LED
ashing
> Service interval: Service due
in 20 hours
Contact Nil sk Service
Red LED
ON
> Service interval expired
Contact Nil sk Service
Red LED ON
> Pump oil low Top up pump oil
Green LED
ashing
> Flow sensor fault Contact Nil sk Service
Cold water operation possible
> Water tap closed or water
shortage
Required volume ow and pressure
see Technical Data
> Detergent tank empty Top up detergent tank or set deter-
gent metering to „OFF“
> Pressure regulation on
the safety control block or
VarioPress-lance
1)
set to low
water volume
Turn the twist grip on safety control
block or VarioPress-lance
1)
to higher
water volume
> Machine scaled
Contact Nil sk Service
Green LED and
red LED
ash
simultaneously
> Leakage or inadmissible op-
erating condition by short-time
operation
After three times of short-time ope-
ration the machine switches off.
Reset: Turn main switch to position
“OFF“, then start again. Keep spray
gun pressed for longer than 3 sec-
onds. If a leak occurs causing the
machine to start and stop brie y 3
times, then the machine will switch
off.
> Spray gun leaking
Check Spray gun
> High pressure hose, coupling
or line system leaking
Replace high-pressure hose, retight-
en screw ttings
> Detergent tank empty Top up detergent tank or set deter-
gent metering to „OFF“
> Water inlet lter dirty
Clean lter
> High-pressure pump drawing
in air
Repair leaks

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Nilfisk-Advance MH 4M Specifications

General IconGeneral
BrandNilfisk-Advance
ModelMH 4M
CategoryPressure Washer
LanguageEnglish

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