Questions & Answers for: zener diode Dehumidifiers

...Zener Diode (ZD2) on the board to see if its shorted. It's probably the fuse on the control board. It happens to me often and I bought a box of fuses to deal with it. Betcha that's it PZ, about the ...

...Zener Diode ZD2 on the board to see if it's shorted. If it's shorted replace it. The "Zener Diode ZD2" solution works. To check if the diode is shorted, use a multimeter to measure its resistance. If ...

...it's in warranty still however. Any suggestions would be appreciated. Check the fuse on the board. If the fuse is ok check Zener Diode ZD2 on the board to see if its shorted. If it's shorted

Where can I find a replacement part for zener diode ZD2 ? The zener diode on the control board is shorted. Same problem. Replaced it with a 9 volt 1 watt zener and it's good to go!

...either side of the fuse. HELP Had the same problem with two HDN455's and took them to a local electronics repair shop. They replaced a Zener ZD2 diode for a total cost of $53 and now is working

...zener diode on circuit board. 1n4749 (nte5081a) mine was hit by lightning and this fixed it. the only thing I can think of is to check the collector switch. It should have a switch on it that kills ...

need to replace zener diode ZD2. I assume I would but 1.5v zener diode? You need a 5.1V Zener Diode. You can get a pack of two at Radio Shack for $1.50.

Zener ZD2 diode(s). However, the "mother board" does not have any ZD2 labeled diodes. This does appear to be an electrical problem. The unit is ~15 months old and we use it regularly to keep

...zener diode (small orange resistor) on the small PCB. See attached image below, the bottom is the cathode.

In the image below just to the right of the white sensor you can see I removed the ...