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REASON
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ELIMINATION METHOD
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The electric motor of a screen wiper does not work, the safety lock does not work
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Wires of power supply of the electric motor are damaged, tips of wires are oxidized
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Break of a wire of the electric motor
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The screen wiper switch is faulty
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To replace the switch
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The electric motor is faulty
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To replace the switch
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Break of a wire of the electric motor
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To check and if necessary to solder the torn-off conclusions<
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The electric motor of a screen wiper does not work, the safety lock periodically works
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Short circuit in an electric motor anchor winding
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To replace the electric motor
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Levers of a screen wiper are deformed and touch body details
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To check, correct levers or to replace a screen wiper
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Brushes froze to glass
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To separate brushes from glass, without having damaged rubber of brushes
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The electric motor of a screen wiper does not work in the faltering mode
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The screen wiper switch is faulty
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To replace the switch
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The screen wiper relay is damaged
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To replace the relay
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The electric motor of a screen wiper does not stop in the faltering mode
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The screen wiper relay breaker winding fused
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To replace the screen wiper relay
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The cam of a gear wheel of a reducer of the electric motor does not unbend a spring plate of the trailer switch
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To turn in a switch plate so that the cam unbent a plate
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Podgoraniye of contacts of the trailer switch
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To smooth out contacts
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Podgoraniye of contacts of the breaker of the relay of a screen wiper
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To eliminate malfunction, to smooth out contacts or to replace the relay
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The electric motor of a screen wiper works with stops in the faltering mode. Brushes do not stop in a starting position
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Oxidation or leaky contact of contacts of the trailer switch
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To smooth out contacts or to turn in a switch plate
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It is incorrectly fixed or weakened fastening of the leading crank
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To establish correctly a crank and to fix
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The electric motor of a screen wiper works, brushes on glass do not move
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The reducer is faulty
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To replace a motor-reducer (a reducer with the electric motor)
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Weak fastening of a crank on a reducer gear wheel axis
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To tighten a nut of fastening of a crank
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