Troubleshooting; Decommissioning - haacon ESF 150 Manual De Instrucciones

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9. TROuBlESHOOTInG

Avoiding injuries and damages:
– Malfunctions may only be repaired by sufficiently qualified and authorised persons.
– Secure devicece against unintentional start-up. I.e.switch main switch off and secure with lock.
– Secure range of action of moving components.
– Safety instructions --> Chapter 2.
malfunction
Possible causes:
No power supply
Fuse melted
Interruption in the control cable
The motor does not run
The brake does not vent
The switching unit in the control switch is defective
Start up or operating capacitor defective (220 V)
The overload protection (as of 1000 daN rope tensile
force) is released (with overload)
The motor runs - the load is
not hoisted
The overload protection (as of 1000 daN rope tensile
force) is released (with load ≤ nominal load)
Coil or capacitor defective (220 V)
The motor hums and has a
The rotor drags
high power consumption
The brake does not vent
Winding damage
Overload (mechanical or electrical)
Worn or oiled brake pad
The motor does not brake
Excessive air gap
or the castor is excessive
Circuit fault after electrical circuit modification
Defective brake coil
Defective rectifier
The brake does not vent
Exceedance of the permissible air gap due to worn
brake pad
Voltage drop in the supply line > 10 %
Motor or line short circuit
The fuses blow or the motor
Short circuit to frame or winch short circuit in the motor Repair motor
protection is released
(consider item 8.9)
Incorrect motor circuitry
Incorrect fuse type
Our service department will be glad to help you, if you have any questions (Chapter 1.3).

10. DEcOmmISSIOnInG

Avoid dangerous injuries and damages, therefore observe:
– Safety instructions --> Chapter 2.
– Secure work area.
– Disassembly in reverse sequence of assembly (Chapter 4).
– Dispose the device and the contained materials in an environmental friendly manner.
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haacon hebetechnik gmbh – Telefon +49 (0) 9375 - 84-0 – Fax +49 (0) 9375 - 84-66
Rectification
Check the power supply connection
Replace the fuse
Refer to the "The brake does not vent" fault
Replace the switching unit
Replace the capacitor
Reduce the load to the nominal load
Check the overload protection and readjust it if
required
Repair motor
Refer to the "The brake does not vent" fault
Repair motor
Completely replace the pad support
Readjust the air gap
Check the brake's connection in accordance with the
circuit diagram
Replace the brake coil
Replace the rectifier
Readjust the air gap, replace the pad support if
required
Assure correct supply voltage
Eliminate the short circuit
Correct the circuitry
Use appropriate fuse
GB
25

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