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Precautions1. The following may be false positives.Smooth slopes 2. smooth spherical objects 3. sponge objects four. Heavy rain2. Common faultsProblem 1. The radar does not workCause: 1. The power cord is connected incorrectlySolution: 1. Red line then +12 V 2. Check the joints, one by one correspondenceProblem 2. Power supply pair, but still does not workReason: 1. The probe is wrong 2. The probe is brokenSolution: 1. Re-insert the probeQuestion 3: Repeat a numberReason: 1. Probe probe or ot...

Problem: Plug in the power, the boot no responseAnswer: first check the air conditioner outlet there is no electricity, and then check the plug and socket are in good contact, and finally check the machine wiring is correct.