CITROEN C6 Technical Information PDF herunterladen (Seite 221)

215

AIR

CONDITIONING

CHECKING THE EFFICIENCY OF THE AIR CONDITIONING SYSTEM

Aircon circuit diagnosis table (for information)

Principal problem Symptom Possible causes

Low pressure normal and high pressure too high Presence of air in the aircon circuit

Low pressure normal and high pressure too low

Aircon pressostat defective

Evaporator sensor defective

Abnormal levels of pressure Low pressure too high and high pressure normal Aircon pressure reducer jammed open

Filtering and drying cartridge saturated or

Low pressure too low and high pressure normal clogged

Aircon pressure reducer iced up

Under cooling too weak Lack of aircon fluid

Air conditioning operating in Excess aircon fluid

back-up mode

Under cooling excessive Presence of air in the aircon circuit

Filtering and drying cartridge clogged

NOTE: In all cases, measure the excessive heating (SC) and the blow air temperature.

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CITROEN C6 Technical Information Seite 221