Thanks in advance for anyone’s opinion on this. I have read some other threads on this topic, but I have added some additional info on my particular issue. Over the last month and only after a light overnight rain, the equipment breaker (newly installed 1 year ago) has tripped on 3 occasions when the Intermatic analog timer clicks the pool pump switch on the following morning. It has rained an additional 2-3 times without this happening, and the breaker has only tripped these three times each time after overnight rain. Each time I have closely examined breaker panel, timer box, wires, connections, motor power conduit, capacitor seal and connections - and no evidence water intrusion. Impeller axles moves freely. A pool electrician also found no evidence of water intrusion in those locations. Each time the breaker was reset with pump timer switch off and power to pool and Polaris timers run ok. But, when pump switch turned ON by either timer or manually, breaker trips after momentary about 1 -2 seconds of apparently normal running of pump. After waiting as little as 30 minutes, breaker reset, and timer or manual pump switch turn on now works and continues running normally. Total times Siemens breaker tripped - including times with me testing/retesting - about 7-8 times. Motor is Century Centurion B2854 with a run capacitor dated 2018. 30uFcapacitor tested at 29uFd with multimeter. The pool electrician wonders if it is the pool pump. The pool repair person wonders if it’s the (new 1 year ago) breaker. Any thoughts appreciated.
Pool equipment breaker trips sometimes after light rain only when pool pump switch turns on
- Thread starter jtheod
- Start date
- Jul 21, 2013
- 65,062
- Pool Size
- 35000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
Welcome to TFP.
It is probably corrosion in the motor causing the GFCI trip. It does not take much corrosion and moisture to cause electrons to be lost and trip the GFCI.
I would put my money on the motor versus the GFCI CB being the problem.
It is probably corrosion in the motor causing the GFCI trip. It does not take much corrosion and moisture to cause electrons to be lost and trip the GFCI.
I would put my money on the motor versus the GFCI CB being the problem.
Thank you. Hasn’t happened again, but I’m thinking motor too. Thanks again.