Operation of draining vehicle air conditioning system
- Make
- Fiat
- Model
- Punto (176) Factory Service Manual
- Year
- 1993–1999
- Section
- Heating/ventilation › Operation of draining vehicle air conditioning system
‹ Prev List of faults that may arise during the various stages of device operation, their probable causes and operations to beNext › Operation of charging vehicle air conditioning system
50 Auxiliary unitsOperation of draining vehicle air conditioning system
| FAULTS | CAUSES | OPERATIONS TO BE CARRIED OUT |
|---|---|---|
| Coolant in dispensing cylinder exceeds maximum established level | Inefficient maximum level sensor | Replace sensor (*) |
| Level of coolant in dispensing cylinder less than minimum established | Minimum level sensor inefficient | Replace sensor (*) |
| Pressure in dispensing cylinder does not increase | Thermostat setting incorrect Dispensing cylinder heating element inefficient |
Reset thermostat Replace heating element |
| Presence of moisture in recovered and recycled coolant indicated by moisture indicator | Saturation of drying agents in dehydrating filters Moisture indicator inefficient |
Replace filters (*) Replace moisture indicator (*) |
(*) See note on page 26
OPERATION OF DRAINING VEHICLE AIR CONDITIONING SYSTEM
| FAULTS | CAUSES | OPERATIONS TO BE CARRIED OUT |
|---|---|---|
| Vacuum pump will not operate | PUMP warning light off due to: | |
| - incorrect positioning of switch or function selector knobs; | Position knobs of switch and function selector correctly | |
| - break in supply circuit of vacuum pump and/or PUMP warning light | Identify point of break and restore circuit continuity | |
| - lack of current or break in lead connecting electrical mains to device (revealed by failure of ON light to come on) | Check whether power failure is due to a temporary factor or a fault in the workshop equipment. If necessary, repair lead connecting equipment and mains | |
| Vacuum pump inefficient | Contact manufacturer's Service department |
‹ Prev List of faults that may arise during the various stages of device operation, their probable causes and operations to beNext › Operation of charging vehicle air conditioning system
Parts & tools for this job For 1993 Fiat Punto
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