BM2 BIEMMEDUE SUPER 150, Use And Maintenance Manual

Page: 25 / 36

25
GB
OBSERVED FAULTS, POSSIBLE CAUSES AND REMEDIES
OBSERVED FAULT CAUSES REMEDIES
• Check power supply characteristics
• Check electrical connections
• Burnt fuse (T.S. only) • Replace de fuse
• Check power supply characteristics
• Check electrical connections
• Check that the water nozzle corresponds to
• the declared stock one
• Clean the water nozzle
• Adjust the bypass valve
• Clogged lance nozzle • Clean the nozzle
• Wrong nozzle • Replace the nozzle
• Bypass valve not calibrated or dirty • Clean and calibrate the valve
• Pump body side sealing ring worn out • Check and/or replace the sealing ring
• High moisture percentace in the air
• Replace oil twice in comparison with
• prescribed frequency
• Worn out seals • Replace seals
• Air suction in the water entrance pipe
• Check that the water entrance pipe and
• the water filter tap are tightly closed
• Detergent tap open and empty detergent tank • Fill the detergent tank and close the tap
• Blocked bypass valve • Remove the valve and clean it
• Pump seals worn out • Replace the seals
• Inlet/delivery valves obstructed,
• dirty or worn out
• Check closure surfaces of the valves and
• clean them
• The machine is started without discharging
• the air completely from the circuit
• Disconnect the washing lance and let the H.P.
• pump work for a few seconds
• Worn out bearings • Replace the bearings
• The water jet is regular but its pressure
• values are very low
• The water cleaner won’t start (pressing the
• black key of the magneto-thermal switch (1))
• Electrical supply interrupted/insufficient
• During operation the machine stops and the
• magneto-thermal switch (1) switches off
• Electrical supply interrupted/insufficient
• Thermal relay intervention for excessive
• current absorption
• The pump works with irregular pulsations,
• pressure variations and noise
• H.P. pump oil shows water traces