Why does my hot tub heater run constantly even when not in use
Your hot tub heater runs constantly because the thermostat is set too high, the filter is clogged, or the circulation pump is…
See the fixFix Library
Pools & Spas
Practical, step-by-step fixes for pools & spas problems — 40 published so far.
Why does my hot tub keep tripping the GFCI breaker
A hot tub that repeatedly trips its GFCI breaker usually has a ground fault in the heater element, pump motor, or wiring,…
See the fix
Why does my pool pump hum but not start
A humming pool pump that won't start usually means the motor's start capacitor has failed or the impeller is jammed with debris.…
See the fix
Why does my pool pump keep losing prime and running dry?
A pool pump loses prime when air enters the suction line through a loose lid, cracked hose, or low water level, breaking…
See the fix
Why does my pool pump keep tripping the breaker
A pool pump trips the breaker when it draws more amps than the circuit allows, usually due to a seized motor, bad…
See the fix
Why does my pool pump keep tripping the GFCI breaker?
A pool pump that trips the GFCI breaker usually has a ground fault in the motor windings, a wet connection, or a…
See the fix
Why does my pool pump lose prime every morning
Your pool pump loses prime overnight because air is entering the suction line through a leaky pump lid O-ring, a cracked suction…
See the fix
Why does my pool pump lose prime every time I turn it off?
Your pool pump loses prime because air is entering the suction line through a leaky lid o-ring, a cracked pump basket, or…
See the fix
Why does my pool pump make a loud humming noise but not start?
A loud humming noise from your pool pump with no startup usually means the start capacitor has failed or the motor is…
See the fix
Why does my pool pump run but no water comes out of returns
Your pump is running dry because air is leaking into the suction line, preventing it from pulling water. Check the pump lid…
See the fix
Why does my pool pump trip the breaker after running for 10 minutes?
Your pool pump trips the breaker after 10 minutes because the motor is overheating or drawing too many amps, often from a…
See the fix
Why does my pool pump trip the breaker after running for a few minutes?
Your pool pump trips the breaker after a few minutes because the motor is drawing too many amps, usually from a failing…
See the fix