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Question About Zenith Dehumidifier zd300y0
my zenith dehumidifier zd300yo The full bucket ...

my zenith dehumidifier zd300yo The full bucket light flashes and the percentage on the front says 01% and i can not change it....nothing will work!!

Asked by Lindy on 06/29/2011 29  Answers

ManualsOnline posted an answer 13 years, 5 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

matt posted an answer 13 years, 4 months ago

6 I researched and found that it might be the relay switch. if you take the back cover off and unplug the wiring harness, there is a grey plug looking thing that also pops out. Save yourself the trip to Home Depot, plumbing supply, electric supply, appliance dealer, etc. They DONT have it in stock. Trying to find a place that might have it online. SAME problem I have with mine too, good luck.
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Steve posted an answer 11 years, 3 months ago

5 It's a pretty easy fix. I found it helpful to remove the back panel (six tan screws), the front panel (it unsnaps on top with a gentle prying, and there are black screws at the bottom), and the metal housing (two tan screws on each side at the bottom of the unit, and I believe one that holds it onto the metal wiring box). This allows you access to the wiring box, which is where the wiring for the sensor assembly must snap into the board (it's easy to figure out once you can see it because you will be using the old sensor array to guide you). Then one part of the sensor snaps into place on the front of the coils and another metal sensor snaps onto the metal coil on the side. Another snap connects to the micro-switch (signals when the bucket is inserted all the way in). I replaced that switch too while I was at it. Just keep track of all the screws. Nothing worse than putting something back together and finding some extra screws that belong somewhere.
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Donna posted an answer 13 years, 2 months ago

5 It is NOT a switch....it is called a SENSOR ASSEMBLY.....it has 3 connection points...
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Jonathan posted an answer 12 years, 9 months ago

5 I fixed it by removing all covers. I then saw the thermal sensor clamped to the coil on left side towards the front of the unit. It looks like a jacketed hunk of metal with a clasp hugging the coil. I pried off the sensor with a screw driver. Then, using the screw driver, I scraped the rust off of the sensor and the portion of the coil that the sensor snaps to, allowing for a clean contact between the sensor and coil. I snapped the sensor back to the coil, inserted the bucket, and plugged it in and viola!
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Donna posted an answer 13 years, 2 months ago

3 It is called a sensor assembly and can be purchased from the webside I posted above. And YES it is working just like brand new! If I can replace it, you can too!...... Once you get the part in, take the back off....There will be a lot of screws on the floor. You will need to take the front AND the back off, and also the almost square looking electrical box cover off that is at the back of the machine.
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Bob posted an answer 13 years, 4 months ago

2 Same...My "full bucket" light is blinking even though there is no water in the bucket. Percentage on front also says 01%. I can't change either and dehumidifier doesn't work.
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Donna posted an answer 13 years, 3 months ago

2 OK...I have found the sensor switch at this website for $16+ and have ordered it..I will let you know if it works.... https://www.encompassparts.com/webwiz/wwiz.asp?wwizmstr=WEB.STATIC.PAGES&page.name=Model_Search
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Donna posted an answer 13 years, 3 months ago

2 I am having the same problem! Only I noticed I had not cleaned the filter...like...EVER! I have cleaned it now and that didn't help...I know it's not dead because when I plug it up it tries to run for like 1 second and then says bucket it full and 01 humidity level....PLEASE somebody...HELP!
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Paul posted an answer 13 years, 4 months ago

2 Having same problem. Turned it off and unplugged and it started again. 01% flashed again. Anyone get any answer?
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Tim posted an answer 12 years, 9 months ago

2 Are you talking about the front sensor on the coils? Sells for $24.82 on the website you posted?
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david posted an answer 13 years, 4 months ago

0 Did you find a place to buy the relay switch? If so, did replacing it do the trick? Thanks for any info you can provide
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Mike posted an answer 13 years, 3 months ago

0 Where is this SENSOR SWITCH located? What is this switch for? Is it .the humidity sensor or are you talking about the relay switch that the reservoir bucket presses against. When you replaced the sensor switch, did it fix the problem? Where can I order the part? Thanks
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Donna posted an answer 13 years, 2 months ago

0 Let me know if you have any problems.... Two of the old connections were extremely hard to get loose. I finially had to cut them off and use a carpet cutter to remove th remnants....Just be careful and don't damage anything...
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dale posted an answer 12 years, 4 months ago

0 is it a grey 3 prong connector
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Maarten posted an answer 12 years, 2 months ago

0 I had the same problem but use it without a bucket. So I just removed the pulled the leads and shorted them together. It works fine now.
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posted an answer 11 years, 2 months ago

0 I got my Zenith ZD300/y0 working again. Part number 6877A30013V did the trick. In Canada it cost $22.50 taxes included. I removed all panels and opened the metal box that houses the circuit board. Study the new part and you will see where the wires belong, as it is just a matter of removing the old part and installing the new one. There is a spring clip that holds the thermister onto the copper line. This clip was missing from the new part, so use the old clip, by carefully sliding it from the old thermister to the new one...good luck..take your time
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posted an answer 11 years, 1 month ago

0 This is a crappy machine, I have 3 of them and they all have the same problem, Which is the same problem everyone is having.
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karen posted an answer 10 years, 4 months ago

0 well i absolutely could NOT get that clip off the old one- think it was soldered together. I finally cut it off the old assy leaving the clip attached to the coil. I then installed the new one on top of the old clip. The sensor wasn't flush with the end so I had a little room. It was crazy but it worked and now my dehumidifier is going strong! It has been two months of constant use and no 01 bucket full error!
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ab posted an answer 10 years, 3 months ago

0 Thanks to Jonathan Wallace! My husband did exactly what he described, and ours is working again, too.
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Steve posted an answer 8 years, 3 months ago

0 The fix posted by Jonathan worked great for me too! I pried that sensor off, cleaned it up with a bit of sandpaper, and the unit works fine now!!
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Christian posted an answer 6 years, 10 months ago

0 Jonathan was right.  The sensor is held to the coil with a metal (ferrous) clip.  FeO2=Rust.  Fundamental design flaw when putting metal parts in constant contact with H2O.  I had done this fix before but I replaced the sensor not knowing that corrosion was the culprit.  Remove the metal clip.  Clean the brass sensor and coil with sandpaper.  Re-install using zip ties to hold it on.  No more rust.
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