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E-PAK 150 DX/300 DX/500 DX
47
EN
Table 12-1: Trouble shooting guide
Error
Possible cause
Solution
Unit starts without any valve at
any workstation being opened.
The PS cable is short-circuited.
Disconnect the cable from the starter and use an
ohmmeter across the leads in turn to locate the fault.
Control filter pressure switch is
triggered.
The control filter is blocked.
•
Turn off the fan and check that the yellow fault indicator
light goes out. If not, the pressure sensor is broken or
the air lines blocked.
•
Replace the control filter.
•
Check the main filter for damage.
The Ø 6 mm hoses to the pressure switch
are blocked or damaged.
Clean or replace the hoses.
The pressure switch and/or filter are not
connected properly.
Check the connections.
The pressure switch is set too low.
Increase the setting (default: 4 kPa (0.58 PSI)).
The pressure switch is broken.
Replace.
No dust is collected in the
collector bin.
Filter cleaning does not work.
See Chapter 10 Maintenance.
Insignificant flow on the way to the unit.
See ‘Low vacuum or air flow’.
Low vacuum or air flow.
Deposits or blockage in ducts on the way
to the unit.
•
Clean the ducts.
•
Check the transport velocity.
The duct system is not properly
dimensioned.
Re-dimension the duct system or add an extra suction
source.
Valves in the duct system are not working.
Check the duct system valves.
The filter cleaning does not work or is
insufficient.
Check the function of the filter cleaning.
Filter cleaning does not work.
The compressed air pressure or flow is too
low.
•
Adjust the pressure.
•
Check the hose dimension.
The solenoid valve is not connected
properly.
Check the valve and air pressure.
The air lines, valve and/or cylinder are
blocked.
•
Clean or replace the air lines, valve and/or cylinder.
•
Filter incoming compressed air.
The cylinder and/or valve does not work.
Replace the cylinder and/or valve.
Dust is hard to clean, normal cleaning does
not work.
Contact your nearest authorized distributor or Nederman
for technical advice.
The cleaning interval is too short.
Extend the cleaning interval.
Explosion relief panel sensor
was triggered.
The explosion relief panel has opened due
to a dust explosion in the filter.
Follow dust explosion and fire procedures.
The sensor is not positioned correctly.
Test and position it correctly.
The sensor is not connected properly.
Check the connections.
The sensor is broken.
Replace.
Содержание E-PAK 300 DX
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Страница 490: ...E PAK 150 DX 300 DX 500 DX ZH 490 B E PAK DX No ISO 8573 1 5 100 ohm GND1 GND1 GND1...
Страница 491: ...E PAK 150 DX 300 DX 500 DX 491 ZH GND1 GND1 105 ohm GND1...
Страница 492: ...www nederman com...