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Fault 07


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Hi Guys

This morning, we hear a beep when the pool kicked on via the timer. I go to look at the inverter and see nothing wrong. We decided to try and repeat the event, so I watched as Swambo turned off the pool and then turned on again. For a second only, I saw Fault 07 flash on the screen and then all back to normal again.

This is something new and has not happened before.

Fault 07 in my manual states

overload by 110 %

Could my capacitor on the pool pump be seeing it's last ? 8 years old

What could be the cause of this new problem ?

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4 hours ago, Stranger said:

Hi Guys

This morning, we hear a beep when the pool kicked on via the timer. I go to look at the inverter and see nothing wrong. We decided to try and repeat the event, so I watched as Swambo turned off the pool and then turned on again. For a second only, I saw Fault 07 flash on the screen and then all back to normal again.

This is something new and has not happened before.

Fault 07 in my manual states

overload by 110 %

Could my capacitor on the pool pump be seeing it's last ? 8 years old

What could be the cause of this new problem ?

Do you have grid? 

Test the pool motor on the grid then you will know if the cap is faulty. 

Caps can go for many years. My lawn mover is now going for 34yrs. Even with the vibration. 

 

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Posted (edited)
On 2024/06/07 at 10:38 AM, Stranger said:

Hi Guys

This morning, we hear a beep when the pool kicked on via the timer. I go to look at the inverter and see nothing wrong. We decided to try and repeat the event, so I watched as Swambo turned off the pool and then turned on again. For a second only, I saw Fault 07 flash on the screen and then all back to normal again.

This is something new and has not happened before.

Fault 07 in my manual states

overload by 110 %

Could my capacitor on the pool pump be seeing it's last ? 8 years old

What could be the cause of this new problem ?

What size inverter and size mower  you have . 

2.2 kw mower  will momentarily make a 5 kw give an over load  error on start up . Most inverter can handle a spike of up to around 10kw for a second so inverter normally does not shut down with spikes .

Could be bad bearing or cap that could be now also on issue .

Sorry pool 

Edited by GMAC
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5.5 kw inverter. I have been trying to find out what a 1.1 kw pump will pull on start up but no joy

I am just concerned that it does not hurt the inverter.

Yes I have grid

I Installed Feb 2023 and this is the first time this has happened in 15 months and the pool pump runs daily.

Edited by Stranger
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4 hours ago, Stranger said:

5.5 kw inverter. I have been trying to find out what a 1.1 kw pump will pull on start up but no joy

I am just concerned that it does not hurt the inverter.

Yes I have grid

I Installed Feb 2023 and this is the first time this has happened in 15 months and the pool pump runs daily.

You can work on 6x1.1 kW for less than 3 sec. Thus we'll inside the max that the inverter will allow provided no other high power loads on or a fridge starting at the same time. 

It is all a sum of numbers game. 

Edited by Scorp007
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6 hours ago, Stranger said:

5.5 kw inverter. I have been trying to find out what a 1.1 kw pump will pull on start up but no joy

I am just concerned that it does not hurt the inverter.

Yes I have grid

I Installed Feb 2023 and this is the first time this has happened in 15 months and the pool pump runs daily.

Below spesifications for a WEG 1.1kw capacitor start/ capacitor run motor.

 Supply: 1ph, 230V, 50Hz 
Rating at 230V 50Hz: 1.1kW 1650rpm.
Power Factor: 0.91
Efficiency: 76%

High starting torque: 200%.
Full Load Current: 6.92A.                  Start Current 20.76A for 0.8s
Locked Rotor Current: 44A for 6s
Full Load Torque: 3.65Nm

Edited by TaliaB
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5 minutes ago, TaliaB said:

Below spesifications for a WEG 1.1kw capacitor start/ capacitor run motor.

 Supply: 1ph, 230V, 50Hz 
Rating at 230V 50Hz: 1.1kW 1650rpm.
Power Factor: 0.91
Efficiency: 76%

High starting torque: 200%.
Full Load Current: 6.92A.                  Start Current 20.76A for 0.8s
Locked Rotor Current: 44A for 6s
Full Load Torque: 3.65Nm

Just look up the 2 pole motor as these are for 4 pole. 

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9 minutes ago, Scorp007 said:

Just look up the 2 pole motor as these are for 4 pole. 

2 pole WEG 1.1kw

AC Supply: 1ph, 230V, 50Hz 
Rating at 230V 50Hz: 1.1kW 2880rpm.
Power Factor: 0.92
Efficiency: 81%

High starting torque: 194%.
Full Load Current: 6.32A Start Current 20.13A for 0.8s
Locked Rotor Current: 46A for 6s
Full Load Torque: 3.34Nm

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