Operation Manual

SOLAR BOOSTER D/EH

Original Instructions

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.

> 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