2015年5月11日星期一

Why is the chiller CW-3000' fuse popped

A cusomter buys  S&A CW3000 chiller for my 60 watt redsail X900.  It has worked perfectly for about 9 months. One day, he found the fuse popped
 when he powered up the chiller.

Now I show you how to slove the problem.
It should be  an internal short circuit voltage of 220v parts. We suggest you prepare some fuses, then open the chiller sheet metal,observe whether there is parts inside water phenomenon, such as fan, 24 v switching power supply, buzzer, etc.if it without the water phenomenon,then cut off 24V switching power supply input lines,obsever whether to burn the fuse or not.if the fuse not burn, we can judge 24 v switching power supply short circuit.if still burning fuse can determine the fan short circuit.when you cofirm the part short circuit,you should change it.
CW-3000

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