Évaluations - 2, GPA: 4
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Facilité d'utilisation
Compressed air pressure too low. The digital display panel indicates a value > 4C° permanently Correct the pressure to within the limits. Ambient temperature too high. The digital display panel indicates a value > 4C° permanently Correct the temperature to within the limits. Dirty fins of the condenser. The digital display panel indicates a value > 4C° permanently Clean the condensing unit fins. Condensing unit clogged. The digital display panel indicates a value > 4C° permanently Clean the condensing unit face. The fan runs backwards (threephase) The digital display panel indicates a value > 4C° permanently Correct electrical connection (phase inversion) Refrigerant gas leak The compressor top is very hot; Low pressure Find the leak and repair it. The HP Pressure switch has tripped The digital display panel is OFF See note E. Fault Finding continued PROBLEM CAUSE SYMPTOM REMEDY B Excessive drop in compressed air pressure. Compressed air flow rate too high. Pressure downstream from the dryer lower than the expected value. Reduce the compressed air flow rate. Condensate is Frozen. Pressure downstream from the dryer lower than the expected value. See note C. Exchanger Tubes soiled by impurities in the compressed air. Pressure downstream from the dryer lower than the expected value... Wash the heat exchanger tubes with a non-aggressive detergent solution. Check the filter upstream from the dryer. C Compressed air does not flow through the dryer. The condensate has frozen and blocked the passage as the probe is incorrectly positioned. Compressed air does not flow through the dryer. Position the probe in the centre of the CDT heat exchanger. The condensate has frozen and blocked the passage as the set point is programmed too low. After starting the compressor, value 0 is reached in less than 2 minutes. Increase the set point value. The condensate has frozen and blocked the passage as the electronic controller has failed. The compressor stops. The compressor does not stop even if the digital display panel indicates 0 several minutes. Change the electronic board D There’s liquid at air dryer outlet side Solenoid valve doesn’t work There’s no water or air to drain when VALVE button’s pressed Change the solenoid coil The draining system was clogged T strainer was dirty Clean the T strainer The working period of solenoid valve is not long enough There’s no water or air to drain when VALVE button’s pressed To make the period of solenoid valve working longer Solenoid valve was clogged There’s no water or air to drain when VALVE button’s pressed To clean solenoid valve Relay on electronics control board is not working. To use volt metre to check that the relay surface will be closed to each other or not when VALVE button‘s pressed. Change the electronics control board in case relay is not working. The tube system is in cold air which the temperature is lower than refined temperature of air under pressure and the tube is unprotected, in this case any liquid will be refined at outside of tube No problem with the air dryer but with the outside environment To protect the tube that is in low temperature area. Fault Finding continued PROBLEM CAUSE SYMPTOM REMEDY E High pressure switch stop working and have to control by manual Fan motor stop working Every LED at electronics control board doesn’t light so its similar to no electric in circuit Repair or change the fan The room temperature is too high The room temperature is higher than appropriate temperature to work. Adjust temperature in the room to the appropriate range or follow by the manual such as to increase flow rate air There’s circulate hot air in the room causes from wrong installation The room temperature is too high To change the position of air dryer to rearrange the surroundings to limit circulate air The fins of refine unit were dirty. At The display always show >4 °C. Clea...
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