Aqualink RS8 issues

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beason

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May 13, 2014
9
tx
I have a Pentair 2 speed filter pump controlled by an Aqualink RS8 controller.
I have it on a timed schedule, recently the
Pump will not switch over to “low speed mode”. The repeater box in my house says it went to low mode but the pimp stays on high.
I took the panel off outside and there are two systems linked to the relay. One is the low speed mode and the other is an air blower for the spa. The air blower clicks on just fine but the low speed button does not click at all.
Can a relay be partially bad or do you think it’s another problem altogether?
Thx
 
beason said:
I took the panel off outside and there are two systems linked to the relay. One is the low speed mode and the other is an air blower for the spa. T
Click to expand...

Show us pictures of how your relays are wired.
 
beason said:
Can a relay be partially bad or do you think it’s another problem altogether?
Click to expand...
Yes, if one set of the relay contacts is connected to a heavy motor load that can have an inductive kickback when the contact opens it can damage the contact surface over time to where it doesn't make a good connection anymore. This can easily checked with a simple multi-meter. If there is voltage on both sides of a CLOSED contact, then its not the contact.
 
Which relay goes to what?

Which wires are for the pump low speed and high speed?

Which wires go to the blower?
 
beason said:
Someone told me to take pics…You tell me. I’m not an electrician.
The blower and low speed pump are on Aux 2
And its relay, I believe is the one with the blue wires.
Click to expand...

I think you should get an electrician then.
 
If you don’t want to play electrician and help understand your panel wiring then you need to hire one.

You have no breakers in the panel. Nothing is labeled. You cannot tell where wires run due to the rats nest of wires. And colors of wires are meaningless.

We can guide you but you need to do the heavy lifting.
 
ajw22 said:
If you don’t want to play electrician and help understand your panel wiring then you need to hire one.

You have no breakers in the panel. Nothing is labeled. You cannot tell where wires run due to the rats nest of wires. And colors of wires are meaningless.

We can guide you but you need to do the heavy lifting.
Click to expand...
Thx but Aux 2 is the low speed mode of the filter pump and the blower is beside it and they are both on the same relay
 

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beason said:
Thx but Aux 2 is the low speed mode of the filter pump and the blower is beside it and they are both on the same relay
Click to expand...

AUX2 has six blue wires. Two wires on each LINE screw and one on the LOAD screw.

Which wire is from the CB? Which wire is to the pump? Which wire is to the blower?
 
beason said:
Thx but Aux 2 is the low speed mode of the filter pump and the blower is beside it and they are both on the same relay
Click to expand...
hmm...if you have both the blower and the low speed pump on the same relay and the blower works fine, then the low speed winding of the motor must be bad or you have failed terminals or maybe a bad capacitor.
 
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