Error Messages - Nilfisk-ALTO TRUCK BOOSTER Operating Instructions Manual

Symptom
No working pressure
Machine starts and
stops

7.2 Error messages

If your TRUCK BOOSTER does not heat the water although the white "Heating" push button (5) has
been activated, the "overheat melting fuse" has blown. This fuse is located within the machine and
MUST ONLY be exchanged by an Nilfi sk-ALTO service technician.
Error Message
(red STOP light fl ashing)
Illegal sensor comb.
E1
E4
Flow failure
No fl ame detected
E5
Illegal fl ame detected
E6
Red STOP light fl ashing
Display shows hour counters
Original Instructions
Reason
> Water inlet fi lter clogged up
> Nozzle clogged up
> No inlet water
> High-pressure cock of outlet
point open
> Leaky hose/
pipeline/spray handle
Reason
> Lack of water
> Declutching of thermal relay
or motor winding protector
> Defective or mal-adjusted
fl ow sensor / pressure switch
> Defective or mal-adjusted
fl ow sensor
> No fl ame is detected when it
should be present
> Fuel fi lter clogged
> Flame sensor soothed or
defective
> Flame detected when it should • Flame sensor not mounted
NOT be present
> Flame sensor defective
> Shortage of oil in h.p. pump
TRUCK BOOSTER
Action
• Clean fi lter (see sect. 6.3).
• Clean nozzle (see sect. 6.4).
• Check that the shut off cock
of the water inlet is open.
Check that the water supply
meets the requirements
(see section 3.4).
• Close all high-pressure
cocks not in use.
• Repair leak.
Action
• Check your water supply
– open?, suffi cient pressure?
• Check and clean inlet fi lter,
section 6.3.
• Check ventilation.
• Check fuses.
• Call Nilfi sk-ALTO service.
• Call Nilfi sk-ALTO service.
• Check your fuel supply,
and refi ll is nescessary.
• Call Nilfi sk -ALTO service.
• Call Nilfi sk -ALTO service.
in place. Mount sensor.
• Call Nilfi sk -ALTO service
• Top up with oil.
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