2.6.11. System of heating and ventilation

Cause of defect

Elimination method

The electric motor of the fan of a heater does not work

Wires are damaged, their tips are oxidized or put leaky on

Press out plugs, smooth out tips, replace faulty wires

Wear, lag of brushes of the electric motor, break in an anchor winding, oxidation, wear of a collector

Smooth out a collector or replace the electric motor

Short circuit on "mass" of a winding of an anchor (the safety lock fuses at once)

Replace the electric motor

The heater switch is faulty

Replace the switch

The electric motor of the fan of a heater does not work at small speed

The additional resistor burned down, its wires are damaged or their tips are put leaky on

Replace the resistor, press out plugs, smooth out tips, replace faulty wires

The heater switch is faulty

Replace the switch

The anchor of the electric motor of the fan of a heater rotates slowly

The collector is polluted or oxidized

Smooth out a collector or replace the electric motor

Mezhvitkovy short circuit of a winding of an anchor (the safety lock can fuse)

Replace the electric motor

Jamming of a shaft of an anchor in bearings (a scratch, squeal, the safety lock can fuse)

Replace the electric motor

The interior of the car is warmed badly

Insufficient temperature of cooling liquid

See Diagnostics of malfunctions of the engine and its systems: "The engine long gets warm up to the working temperature"

It is not enough liquid in the cooling system

See Diagnostics of malfunctions of the engine and its systems: "Falling of level of cooling liquid in a broad tank"

Jamming of the crane in a closed position, jamming of gates of cables or break of cables of management, weakening of their fastening

Replace the faulty crane, cables, gates. Reliably fix covers of cables, oil cables engine, adjust drives

The heater radiator is faulty

Replace a radiator

Temperature in salon is not regulated

Jamming of the crane of a heater, gates, cables in covers or their break, weakened fastening of covers of cables

Replace the faulty crane, cables, gates. Reliably fix covers of cables, oil cables engine, adjust drives