Maintenance of electrical applicances
22-59
(6) The face blowing servo motor
The fault state:
The uptake has no change.
The face blowing servo motor is not working
normally.
Inspection means: Inspection circuit is cut off or
on.
Fig. 6.10 The face blowing servo motor
The face blowing servo motor is the actuator for selecting the outgoing air direction of the air
conditioning system, it is divided into the face blowing mode: Off and On.
(7) The foot blowing and defrosting servo motor
The fault inspection:
The fault state:
The uptake has no change.
The foot blowing and defrosting servo motor
is not working normally.
Fig. 6.11 The foot blowing and defrosting servo motor
The foot blowing and defrosting servo motor is the actuator for selecting the air outgoing direction of
the air conditioning system. It is divided into three modes of foot blowing, defrosting and foot blowing
& defrosting. The mode damper is very important to the air hot exchange for the whole car, under
heating conditions, it is adopted foot blowing mode, due to little density of the hot air, it shall rise
naturally, it is favorable to the balanced heating for the whole vehicle.
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