Trouble Shooting; General Trouble Shooting - Nilfisk-Advance SH TRUCK Instructions For Use Manual

7 Trouble Shooting

You have chosen the best quality and therefore deserve the best service. The SH TRUCK features
an "Error detection system" that will stop the SH TRUCK in case of a severe error that needs immedi-
ate attention. The red light of the STOP button will fl ash, and the display in the inspection window will
indicate the nature of the error.
Though the user can correct some of these errors, you should note the error and contact the near-
est Nilfi sk service organization. To avoid unnecessary disappointments, you should check this section
before contacting the nearest Nilfi sk service organization.

7.1 General trouble shooting

Symptom
Machine will not start
(NO ERROR indication)
Fuses blow
Working pressure too low
Working pressure fl uctuating
Original Instructions
Reason
> A fuse has blown
> Power disconnected
> Installation does not
correspond to the ampere
consumption of the machine
> Nozzle worn
> Wrong spray lance
> Reduction valve of spray
lance not adjusted to max.
pressure.
> Nozzle partly clogged up
> Insuffi cient water supply
> High-pressure hoses too long
> Air in the system
> Detergent container empty
Action
• Change the fuse.
• Connect power.
• Change to an installation.
corresponding to the ampere
consumption of the machine
at a minimum.
Change the fuse.
• Replace the nozzle.
• Replace the spray lance
(see section 4.1.4).
• Turn reduction valve com-
pletely counter-clockwise
(see section 4.1.4).
• Clean the nozzle
(see section 6.4).
• Check that the water tank is
not drained of water during
operation of the machine. If it
is, clean the water inlet fi lter
of the machine. If that does
not solve the problem, the
water supply for the machine
is insuffi cient.
NB! Avoid long, thin hoses
(min. 3/4").
• Dismount high-pressure
extension hoses and retry.
Extension hose max. 50 m.
NB! Avoid long extension
hoses with many couplings.
• Vent the system
(see section 3.7).
• Refi ll or close dosing valve.
SH TRUCK
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