PRODUCTS AND SERVICES

- AUTOMOBILE CONDITIONERS

Diagnosing of malfunctions

Function of self-diagnosing
Functions and check of action (check of executive mechanisms)
Reference table for diagnosing malfunctions

Reference table for diagnosing malfunctions

This table is used, when because of any defect function of self-diagnosing does not work. Depending on a kind of defect under the table resulted below, under the order, the system is checked.

Defect type	System
Defect type	Wind blower electric motor	Power transistor	Internal, external air adjustment electric motor	MODE CONTROL electric motor	AIR MLX CONTROL electric motor	Thermode behind evaporator	External air thermode	Internal air thermode	Automatic regulator unit
Automatic thermoregulator does not move at all									1
At “ON” ignition switching-off, the fan electric motor rotates with high speed at any position of the fan switch.		1							2
Fan electric motor does not work at all	1								2
Fan electric motor rotates only in the position of maximum speed, but in all the others - no		1							2
Function of external air cut does not work			1						2
Mode control does not work				1					2
Cold air does not go out of the fan						3	2	1
Hot air does not go out of the fan					1		3	2
Saloon temperature differs from the chosen temperature						1	1	3	2

Defect type	System
Defect type	Fan electric motor	Radiator fan control mode	Air-conditioner pressure system	Triple switch-off of the air-conditioner pressure	Fan control unit	Automatic thermoregulator unit
Radiator and condenser fans do not work					1	2
Radiator and condenser fans do not work at all.	1	2			3
Radiator and condenser fans do not rotate with high speed			1	2	3
Radiator and condenser fans do not rotate with low speed		1	2	3	4
Compressor bushing does not work			1	2	3	4

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