Dishwasher problem

M

Matt

Guest
Hi I have a Chef classic dishwasher which the model is unknown but
looks like a generic type dishwasher.

When filling up with water, it doesn't cut off and just keeps filling
up until it overflows and doesn't switch off.
What device controls the water cut off in these devices? I am thinking
I might try and repair it if I could.

Thank you,
Matt.................
 
"Matt" <matt@nil.au> wrote in message
news:io8vt0tainkfph81tiet4as9o8pcl0i9pl@4ax.com...
Hi I have a Chef classic dishwasher which the model is unknown but
looks like a generic type dishwasher.

When filling up with water, it doesn't cut off and just keeps filling
up until it overflows and doesn't switch off.
What device controls the water cut off in these devices? I am thinking
I might try and repair it if I could.

Thank you,
Matt.................
Click to expand...
There's could be an inlet toward the back of the washer which allows water
up into a tube with a sensor in it. Check for such an inlet and ensure it is
clean. (It may be at the bottom of the dishwasher rather than at the top, so
a hunt may be required).

Ken
 
On Sat, 8 Jan 2005 22:19:06 +1300, "Ken Taylor" <ken@home.nz> wrote:

"Matt" <matt@nil.au> wrote in message
news:io8vt0tainkfph81tiet4as9o8pcl0i9pl@4ax.com...
Hi I have a Chef classic dishwasher which the model is unknown but
looks like a generic type dishwasher.

When filling up with water, it doesn't cut off and just keeps filling
up until it overflows and doesn't switch off.
What device controls the water cut off in these devices? I am thinking
I might try and repair it if I could.

Thank you,
Matt.................

There's could be an inlet toward the back of the washer which allows water
up into a tube with a sensor in it. Check for such an inlet and ensure it is
clean. (It may be at the bottom of the dishwasher rather than at the top, so
a hunt may be required).

Ken
Click to expand...
Thanks for that. I will look tomorrow. So there isn't anything in the
control panel that monitors the water level?
 
"Matt" <matt@nil.au> wrote in message
news:28evt0ldfsho18o13cq5q6lumsk1uibnfr@4ax.com...
On Sat, 8 Jan 2005 22:19:06 +1300, "Ken Taylor" <ken@home.nz> wrote:

"Matt" <matt@nil.au> wrote in message
news:io8vt0tainkfph81tiet4as9o8pcl0i9pl@4ax.com...
Hi I have a Chef classic dishwasher which the model is unknown but
looks like a generic type dishwasher.

When filling up with water, it doesn't cut off and just keeps filling
up until it overflows and doesn't switch off.
What device controls the water cut off in these devices? I am thinking
I might try and repair it if I could.

Thank you,
Matt.................

There's could be an inlet toward the back of the washer which allows
water
up into a tube with a sensor in it. Check for such an inlet and ensure it
is
clean. (It may be at the bottom of the dishwasher rather than at the top,
so
a hunt may be required).

Ken


Thanks for that. I will look tomorrow. So there isn't anything in the
control panel that monitors the water level?
Click to expand...
Matt,

As Ken said there is a water inlet on the back of the dishwasher that lets
the water in. What can happen is that the solenoid gets a small leak in the
membrane that is connected to a small magnetic shaft. When the solenoid
operates it lets water into the dishwasher, but can sometimes not release
fully when the current is switched off. The dishwasher continues to fill
and of course eventually overflows.

To correct this problem, disconnect the power and water from the machine.
Locate the water inlet valve, disconnect it (note where the wires came from
so you put them back correctly) and remove from the machine.
Using suitable tools, carefully disassemble the valve / solenoid (usually
involves removing 4 screws).
Remove the actuator / membrane assembly (be careful not to tear it or lose
the spring or any of the seals).
Clear out any rust or deposits inside the hole where the spring and magnet
assembly sits in. This will often be full of stuff which tends to prevent
the membrane from returning to the closed position and shutting off the
water flow.
Reassemble the valve, install in machine and test.
Ultimately you will probably need to replace the valve assembly.
If the machine has both hot and cold water inlets and you only use one of
them, consider swapping over the unused one for the used one.

The other fault maybe the water level sensor.
Check to ensure the tube to the sensor is not obstructed (by kinking or
blockage).
Replace sensor if defective.

Cheers,
Alan
 
As Ken said there is a water inlet on the back of the dishwasher that lets
the water in. What can happen is that the solenoid gets a small leak in
the
membrane that is connected to a small magnetic shaft. When the solenoid
operates it lets water into the dishwasher, but can sometimes not release
fully when the current is switched off. The dishwasher continues to fill
and of course eventually overflows.

To correct this problem, disconnect the power and water from the machine.
Locate the water inlet valve, disconnect it (note where the wires came
from
so you put them back correctly) and remove from the machine.
Using suitable tools, carefully disassemble the valve / solenoid (usually
involves removing 4 screws).
Remove the actuator / membrane assembly (be careful not to tear it or lose
the spring or any of the seals).
Clear out any rust or deposits inside the hole where the spring and magnet
assembly sits in. This will often be full of stuff which tends to prevent
the membrane from returning to the closed position and shutting off the
water flow.
Reassemble the valve, install in machine and test.
Ultimately you will probably need to replace the valve assembly.
If the machine has both hot and cold water inlets and you only use one of
them, consider swapping over the unused one for the used one.

The other fault maybe the water level sensor.
Check to ensure the tube to the sensor is not obstructed (by kinking or
blockage).
Replace sensor if defective.

Cheers,
Alan


Hello Alan,
Click to expand...
You are to be congratulated on your succinct and highly informative reply to
the original poster. It rather reminds me of the early days of the internet
when everyone was pulling in the same direction.

Well done.

Bill.
 
On Sat, 8 Jan 2005 20:03:21 +0800, "Alan Rutlidge"
<rutlidge@<No_Spam>.iinet.net.au> wrote:

Matt,

As Ken said there is a water inlet on the back of the dishwasher that lets
the water in. What can happen is that the solenoid gets a small leak in the
membrane that is connected to a small magnetic shaft. When the solenoid
operates it lets water into the dishwasher, but can sometimes not release
fully when the current is switched off. The dishwasher continues to fill
and of course eventually overflows.

To correct this problem, disconnect the power and water from the machine.
Locate the water inlet valve, disconnect it (note where the wires came from
so you put them back correctly) and remove from the machine.
Using suitable tools, carefully disassemble the valve / solenoid (usually
involves removing 4 screws).
Remove the actuator / membrane assembly (be careful not to tear it or lose
the spring or any of the seals).
Clear out any rust or deposits inside the hole where the spring and magnet
assembly sits in. This will often be full of stuff which tends to prevent
the membrane from returning to the closed position and shutting off the
water flow.
Reassemble the valve, install in machine and test.
Ultimately you will probably need to replace the valve assembly.
If the machine has both hot and cold water inlets and you only use one of
them, consider swapping over the unused one for the used one.

The other fault maybe the water level sensor.
Check to ensure the tube to the sensor is not obstructed (by kinking or
blockage).
Replace sensor if defective.

Cheers,
Alan
Click to expand...
Thanks for taking the time to write that info. I will look into it.
Thanks,
Matt...........
 
On Sun, 9 Jan 2005 00:43:28 +1100, "Bill Bailley" <JustMe@Home> wrote:

Hello Alan,
You are to be congratulated on your succinct and highly informative reply to
the original poster. It rather reminds me of the early days of the internet
when everyone was pulling in the same direction.

Well done.

Bill.
Click to expand...
That's true. What happened?
 
I checked the washer.

I found the motor with the in and out water hoses, the drainage pit
and also the thermometer clipped to the base but couldn't find what I
needed.

It may be badly hidden or something.

Regards,
Matt.......
 
On Sun, 09 Jan 2005 23:01:58 GMT, Matt <matt@nil.au> wrote:

I checked the washer.

I found the motor with the in and out water hoses, the drainage pit
and also the thermometer clipped to the base but couldn't find what I
needed.

It may be badly hidden or something.
Click to expand...
Sounds more like it's well hidden ;-)
 
On Sat, 08 Jan 2005 13:56:58 GMT, Matt <matt@nil.au> wrote:

Hello Alan,
You are to be congratulated on your succinct and highly informative reply to
the original poster. It rather reminds me of the early days of the internet
when everyone was pulling in the same direction.

Well done.

Bill.


That's true. What happened?
Click to expand...
Phils doctor changed his medicine.

Where's Mr Speed being lately anyone?
 
On Mon, 10 Jan 2005 19:27:18 +1000, David Sauer
<davidsauer@iinet.net.au> wrote:

Where's Mr Speed being lately anyone?
Click to expand...
I have seen him over at aus.computers lately.
 
"Matt" <matt@nil.au> wrote in message
news:8rd3u09jkmsucgphgp6p3f328l3hf89tlv@4ax.com...
I checked the washer.

I found the motor with the in and out water hoses, the drainage pit
and also the thermometer clipped to the base but couldn't find what I
needed.

It may be badly hidden or something.

Regards,
Matt.......
Click to expand...
Hi Matt,

Sorry you are having a bit of problem locating the water inlet valve. I
don't have this particular make of dishwasher, but a hint might be to trace
the water inlet hose. It should lead to a valve which controls the water
flow into the machine. The valve / solenoid generally will have two wires
connected to it which in turn wire to the controller (either a PCB or a
clockwork type mechanism with lots of wires going to it).

Cheers,
Alan
 
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