Galaxy Aqua Digitemp pumped SHOWER.

I turn on the shower and it works fine for about 2 minutes and then water flow drops to a dribble. I can hear the motor working but no water is being pumped through. The "bleeding" of the shower works ok. If I select the lowest setting "L" cold water flows through OK. If I then select any other settings The water flow just dribbles from the shower head. I have checked the 3 solenoids and all give a reading of approximately 3.53. I am at a loss what could be the problem.
Asked 5 years ago by Fred
This would indicate a solenoid problem. But if you are sure they are ok, then the other possibility is the stepper motor.

Answered 5 years ago by Barrie Seabright

Here's the interesting thing. I brought a second hand unit from ebay last year because of the problem I have described. It worked OK for 4 months and the problem reoccurred . I reinstalled the original unit and shower started working again OK. Until now. The problem has started to reoccuring again. I then reinstalled the second hand unit again but it has exactly the same issue as the original unit. I have checked all the solenoid on both units as you described in the video and apart from one giving out a reading of 3.49 all of them appear to be OK. I found it hard to believe that the same failure could happen to both units. I am really baffled.

Answered 5 years ago by Fred Geeves

You will only get a correct reading if you test the solenoids in the failed state When it has stopped working!)
A reading of 3.49 would indicate that the solenoid is faulty.

Answered 5 years ago by Barrie Seabright

Sorry I don't understand. I simply followed the video link to your you tube page. On the original unit which was still plumbed in. I had as you described turned off the water and electricity and tested the solenoids as soon as the shower started dribbling out water.
On the second hand unit I tested the solenoids before I swapped it out for the original. To note I swapped the "failed" solenoid for what I assume is "good" one and had no effect.

Answered 5 years ago by Fred Geeves

You need to test each solenoid in turn when the unit fails. So this will be done three times. This will tell you if you have a good solenoid. If they are below k3.5 ohms then they are faulty , and if over about k3.8 ohms they can also be faulty.
If they all read ok then you have another part that is faulty.

Answered 5 years ago by Barrie Seabright

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