Help with dehumidifier PCB - NO POWER

Dodgydave

Joined Jun 22, 2012
11,395
Dear Mike
I have the same model and i found D7 diode was faulty , i removed the zener diode and power on dehumidifierView attachment 204784 and its working properly, but i dont know the voltage of this diode if i solder it on that place with new one, can u please help me to find out what value of faulty zener diode D7
D7 is a bemf diode for the relay coil, so anything like 1N4001 types will do.
 

Nealjk

Joined Feb 7, 2021
4
Can anyone tell me what I should replace R1 with on this control board? I have the same board as shown in the original post but R1 on mine is in a bit of a state and I'm having trouble reading the bands. I'm also not sure what wattage to go with
IMG_20210207_164443.jpg
 

Nealjk

Joined Feb 7, 2021
4
The casing has cracked and the winding inside is broken so it doesn't measure much unfortunately.
I wasn't sure if it was brown or red to start, and grey or black in the middle as it's a bit scorched so I was hoping someone who had a good one might know. I can't see much in the way of 10 ohm WW resistors available to buy
 

Nealjk

Joined Feb 7, 2021
4
The casing has cracked and the winding inside is broken so it doesn't measure much unfortunately.
I wasn't sure if it was brown or red to start, and grey or black in the middle as it's a bit scorched so I was hoping someone who had a good one might know. I can't see much in the way of 10 ohm WW resistors available to buy
I have found a 10 ohm WW for sale actually. I think you're probably right on the colours as grey with gold would be something point 8 which is a bit specific, I'll get some and see how it goes. Fingers crossed.
 
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