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Meaco DD8L Zambezi Manual Online: Troubleshooting And Fault Codes. If Zambezi displays C1, C2, C3, C4 or if the temperature and relative humidity readout continuously flickers ... The relative humidity in the room where the dehumidifier.
Not long after my unit ran out of warranty it developed a fault. Less then a minute of being turned on the double fan light would begin to flash and the unit would shut down. The filters were regularly maintained as recommended my the manufacturer. I am not one for just throwing it out and buying a new one, so I stripped it down.
i noticed the dissident wheel was not turning so I removed the motor, stripped it down and re greased the plastic gears within. Then I noticed the dissident wheel itself was catching on something (motor still removed) when I manually turned it. After taking the dissident wheel off I could clearly see the plastic housing behind the wheel was melted and snagging the metal 'spokes' on the dissident wheel. The area is located directly behind the heater unit.
after flattening the plastic down smooth, the unit is now working.
I have concluded the reason this may have happened is the unit being switched off before its shut down process had finished, meaning the metal 'spoke' was stopped next to the plastic with the heater still hot enough to heat the spoke enough to melt the plastic behind causing a snag for the wheel.
so I think the shut down procedure is quite important before turning it off at the wall.
There are 6 rubber plugs in the top covering screws , 2 are all at hidden under the handle ends , the handle can be lifted to about 45 degrees and teased out an end at a time to gain access, the top then removes giving access to more screws which when removed along with screws under the bottom and inside the tank compartment allow the front and back to be removed for access
Ignore the first comment, Desiccant dehumidifiers do not have Freon, or a compressor...
The warning light coming on after a few minutes could be one of a few things (but probably most likely due to overheating or the detection of something not right in the unit operation. Most likely faults include:
1) failure of main fan motor (this would cause eventual overheat)
2) failure of heater blower motor (this would cause an overheat)
3) clogged desiccant wheel (restricting air flow and causing overheat)
Generally the warning lights only come on if an overheat occurs, If the heater has failed these units usually continue to run, albeit cold, and with no water being extracted.
Another culprit could be the water level cut of switch being faulty.
Well although this is an old question, for the benefit of anyone who finds this in the future, the main reason for the main fan motor to stop working is due to the overheating of a tiny thermal fuse inside the motor itself. These fuses are one shot (meaning that if they trip, they will need replacing)
The good news is, that they cost about 99p to replace, the bad news is that you would need to strip down the unit and open up the motor in order to do that. This is a delicate operation and requires a steady hand, a soldering iron etc. the fuse you are looking for resembles a small resistor. usually located in a section of fibreglass insulation sleeve as the incoming wires connect to the motor windings. A fuse is easy to test using any multimeter a good fuse will show continuity and a dead fuse will show... nothing (open circuit) You would need to buy a replacement thermal fuse rated for the same temperature as the failed one (usually 115'C) and capable of passing mains voltage (240Vac) Cut out the old fuse and solder in the new one (it does not matter which way round it goes) Replace any sleeving and cable ties inside the motor and reassemble.
WARNING - do not attempt repair unless you are SURE you know what you are doing!!
The dehumidifier is supposed to be releasing warm air. In order for the built-in refrigerator to lower the coolant's temperature, heat must be removed from it. Thus, that removed heat flows out of the unit. If it's a problem, I would suggest having a fan nearby, or perhaps you could put the dehumidifier in a cooler part of the house. (In case you're curious, try looking for any vents near your refrigerator or freezer, and you'll see what I mean.)
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