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Flashing AC lights V70-XC70

posted by  someone claiming to be spratt1 on  Mon Jul 14 06:43 CST 2003 [RELATED]

We have a 1999 V70 GLT. We always leave the dual automatic climate control system ON in the AUTO position.

Started the car this morning. The green light for OUTSIDE AIR and the green light for AC on were both lit, as usual. However, the orange lights on the switches for RECIRC and AC OFF where both on and flashing. The flashing went on for about two or three seconds. Then the orange lights stayed off and the system functioned fine, cold air and all (this is Texas and already 85 degrees when I leave for work at 7:00 AM).

Anyone else had this happen, did this lead to a big (i.e. costly) problem, and what was it.

Thanks








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    Flashing AC lights V70-XC70

    posted by  someone claiming to be John B on  Sat Jul 19 08:55 CST 2003 [RELATED]

    Had identical problem (same age vehicle) a few months ago. Dealer diagnosed faulty cabin temp sensor. Replaced at a cost of £140. However when I looked at the replaced part the actual sensor has a small fan in front of it which draws in the air. The fan is clearly susceptible to intake of dust which stops the fan. Try a vacuum at the small grill on the facia. Good luck.







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    Flashing AC lights V70-XC70

    posted by  someone claiming to be mcintg on  Tue Jul 15 00:42 CST 2003 [RELATED]

    This indicates that the A/C unit has detected a fault at start-up.
    This can be caused by various things - I had this when the cabin temp. sensor failed on my car.
    This really needs to be diagnosed by connected an ODBII tool to your car which should be able to tell you the specific cause the of problem as the A/C system stores the problems in a log.







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