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NEPTUNE E
7.2.3 Changing the pump oil
1. Unscrew the oil drain plug (A)
and drain oil into a suitable
container.
2. Check that the drain plug
gasket is in place and reinstall
drain plug.
3. Fill pump with proper grade
and amount of oil.
Oil grade and capacity see
chapter ‘9.3 Technical Data’.
A
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Ursache Behebung
Hop
> Motor overheated • Turn main switch in position „OFF“, let ma-
chine cool down
• Possible phase failure; have electrical con-
nections checked
HOS
> Boiler overheated
•
Let appliance cool down; if the failure
comes up repeatedly, contact Nilfisk-Alto-
Service, cold water operation possible
LEA
> Leakage • Turn main switch to position “OFF“, then
start again.
> Spray gun leaking
•
Repair Spray gun
> High pressure hose, coupling or line
system leaking
• Replace high-pressure hose, retighten
screw fittings
> Detergent tank empty • Fill detergent tank or set detergent meter-
ing to „OFF“
> Water inlet filter dirty
•
Clean filter (see chapter 7.2.1)
> High-pressure pump drawing in air
•
Repair leaks
LLH
> No water in the boiler
•
Check water inlet
LLP
>
Water supply turned off or inadequate
supply to machine
• Required volume flow and pressure see
chapter 9.3 Technical Data
POL
> Pump oil low
•
Fill to proper level (see chapter 7.2.2)
S1C, S2C,
S10, S20
>
Temperature sensor damaged Contact Nilfisk-Alto Service
Cold water operation possible
UPC
>
Microprocessor failure Contact Nilfisk-Alto Service
8 Troubleshooting
8.1 Indications on Display