80
0678106030L02 1411V002
10 Units for alternating current
Repairs above and beyond simple maintenance may only be carried out by a qualified techni-
cian or one of our service technicians�
De-energise the unit prior to working on it or in the event of potential hazards (e� g� pull the
mains plug) and prevent it from being switched back on again�
Problem
Probable cause
Solution
Device does not start
No mains voltage
• Contact an electrician� Check
mains fuse, switch on device
again, if possible� Replace the
thermal fuse if defective�
Undervoltage or overvoltage
• Contact an electrician� Measure
mains voltage�
Capacitor defective
• Contact a technician� Check
the capacitor and replace it, if
necessary�
Pressure switch in position "0"
• Set to "I"�
Motor defective
• Replace the unit�
Temperature switch in motor is
tripped (not present in all units)
1� High ambient temperatures
2� Mechanical sluggishness
3� Pressure in the line
1� Allow the unit to cool down�
Ensure better ventilation�
Attention, unit restarts automati-
cally!
2� Factory repair�
3� Vent the intake plenum�
Over-current switch is tripped
• Contact an electrician�
• Check the motor protection
circuit breaker setting�
• Determine the cause�
Air intake filter is clogged
• Insert a new filter�
Trouble-shooting
EN
Summary of Contents for KK15
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