Valeo MINISPHERE 100 Betriebsanweisung Seite 36

Troubleshooting
Symptoms
Condenser fan does not run
AC unit does not cool down
and the compressor runs per-
manently
AC unit cools down to much
and the compressor runs per-
manently
32
Probable cause
Fuse or relay defective
Condenser fan defective
Electric wiring connection(s) with
no contact
Lack of refrigerant
Air or other gas in the system
Expansion valve defective
Dirty evaporator fins
Air filter (fresh air/circulating air?)
contaminated
Bad temperature selection
Temperature sensor (circulating
air)
Solution
Replace fuse and/or relay
Replace condenser fan
Repair wiring harness
Check for leakage
Draw a vacuum (min. 3 hours below 10 mbar) replace filter dryer, fill to
correct amount
Replace expansion valve
Clean the fins
Replace air filter
Adjust the temperature on the control panel
Replace temperature sensor or change its position
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