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7.3 Error messages, SOLAR BOOSTER D (diesel heated) models
If your SOLAR BOOSTER Diesel model does not heat the water although the yellow “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 a Nilfi sk-ALTO service technician.
Error
Message
(red STOP light fl ashing)
Reason
Action
Pump oil level low
> Level of lubricant oil of HP
• Remove cabinet and top up
pump is at a low level
oil if no leakage is present.
• Call Nilfi sk-ALTO service if
oil is leaking or if water is
mixed in the oil (creamy
white
or
transparent)
Overload cut out
> Overload or short circuit of
• Call Nilfi sk-ALTO service.
SOLAR
BOOSTER.
> If Option “Low water security”
• Check your water supply
mounted – lack of inlet
– open?, suffi cient pressure?
pressure can be the reason
Water Shortage
> Lack of water
• Check your water supply
– open?, suffi cient pressure?
• Check and clean inlet fi lter,
section
6.3.
or
> Defective or mal-adjusted
• Call Nilfi sk-ALTO service.
fl ow sensor / pressure switch
Flow failure
> Defective or mal-adjusted
• Call Nilfi sk-ALTO service.
fl
ow
sensor
No fl ame detected
> No fl ame is detected when it
• Check your fuel supply,
should be present
and refi ll is necessary.
> Fuel fi lter clogged
• Call Nilfi sk-ALTO service.
> Flame sensor soothed or
• Call Nilfi sk-ALTO service.
defective
Illegal fl ame detected
> Flame detected when it should • Flame sensor not mounted
NOT be present
in place. Mount sensor.
> Flame sensor defective
• Call Nilfi sk-ALTO service
E3
E2
E1
E4
E5
E6
