Refrigerator inverter compressor detector solenoid valve frequency conversion board test instrument tooling for Haier Hisense new fly Four-in-one inverter refrigerator detector: Three-in-one inverter refrigerator detector: It is a maintenance tool developed for the home appliance after-sales maintenance master, small size, light weight, full-featured and convenient to carry. Can effectively improve maintenance efficiency and reduce misjudgment. 1, the detector can directly start the inverter refrigerator compressor (the refrigerator inverter compressor can be) 2, the detector can directly drive the refrigerator frequency conversion board 3, the detector can directly judge whether the bistable pulse valve is good or bad 4, the new is the manual knob to adjust the compressor operating frequency Instructions: Frequency conversion board detection: connect the detector frequency conversion board detection line to the refrigerator frequency conversion board communication interface (make sure the frequency conversion board has 220v power supply before testing), the detector automatically matches the frequency conversion board parameters, and the compressor can be directly started after the matching is correct. If the compressor is started, it can be judged that the compressor and the inverter board are normal. If the three tests do not start, use the compressor detection function to detect the compressor. (Note that once the compressor is started, it takes 3-5 minutes to test again. After the system pressure is balanced, it is detected.) Inverter compressor test: Connect the detector compressor test line to the refrigerator compressor, press the compressor test button for 30 seconds, the detector automatically matches the compressor parameters, and the compressor can be started directly after the matching is correct. If the compressor does not start, release the start button for 5 seconds and then test again. If the three tests are not started, the compressor failure can be judged. (Note that once the compressor is started, it takes 3-5 minutes to test again. After the system pressure is balanced, it is detected.) Pulse solenoid valve detection: Connect the detector solenoid valve detection line to the solenoid valve interface, press the solenoid valve to detect the red and green buttons respectively, and check the solenoid valve for two commutations to judge whether it is good or bad. (Note that the detector output DC220 pulse voltage, please do not touch when using. After the power is turned on, the output terminal is forbidden to short circuit to avoid burning out the detector. Please use a multimeter to check whether the solenoid valve is short-circuited before the measurement, and avoid burning the detector.) Detector application example 1: A Haier refrigerator user said that it is not cooled. After the maintenance master’s door-to-door inspection, it is found that the inverter compressor does not work, and the detector is used to determine that the fault is the inverter board. Haier refrigerator has more leaks inside, and the master uses the compressor detection function to directly start the compressor, let it work for 1 minute, and touch the high pressure tube without temperature rise. Judging that there is a pipeline leak, the user is communicated and pulled back to the store to change the pipe and the frequency conversion board. Perfect repair, avoiding the compressor working after replacing the inverter board, but still not cooling. Win user trust and improve maintenance efficiency. Detector application example 2: One user said that the refrigerator in the home is not cooled. The maintenance master found that the inverter compressor is not working. The detector is judged to be a compressor failure. The refrigerator often has internal leakage. To ensure foolproof, open with the consent of the user. There is no refrigerant spray at the process port. Inform the user that they need to pull back to the store to replace the compressor replacement pipeline, and pull back the repair after the user agrees. Detector application example 3: A user said that the refrigerator compartment of the refrigerator is not cooled. After the door-to-door inspection, the solenoid valve is not reversing. The detector is judged as a solenoid valve failure, and the solenoid valve is replaced after the user quotes. Troubleshooting Detector application example 4: A Haier refrigerator user said that it is not cooled. After the maintenance master visited the door, it was found that the inverter compressor did not work, and the detector was used to determine that the fault was the inverter board. Haier refrigerator has more leaks inside, and the master uses the compressor detection function to directly start the compressor, let it work for 1 minute, and touch the high pressure tube to burn. Judging that there is a normal pipeline, after giving the user a quote. Perfect repair, win user trust and improve maintenance efficiency. Detector application example 5: A refrigerator user said that it is not cooled. After the maintenance master went to the door and found that the inverter compressor did not work, it was good to judge the inverter board and the compressor with the detector. Then use a multimeter to measure the motherboard and found that the 12V power supply is only 9.5 volts. Observe that the power supply filter capacitor has a slight bulge, and the refrigerator works normally after replacement. Perfect repair, win user trust and improve maintenance efficiency. Avoid detours.
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Name | Rating | Feedback |
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Shipping Company | Shipping Cost | Estimated Delivery Time |
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3 - 7 days | ||
3 - 7 days | ||
5 - 14 days | ||
Post Air Mail | Free Shipping | 15 - 45 days |
Return Policy | If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller. N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion. |
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Seller Service | On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe). |
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