Hot Tub Spa Diagnostics
Expert Spa Repair · All Major Brands ★★★★★ Trusted by 300K+ Spa Owners Since 1994
What's wrong with
your spa?
Tell us about your spa and we'll pinpoint the exact problem and show you how to fix it yourself.
Step 1 of 5 — Your Spa
Select your spa brand, model & year
Step 2 of 5
What area is the problem in?
Not sure which category? Choose the one that sounds closest — you can always go back.
Step 3 of 5
Select your specific symptom
Scroll through the list and pick the closest match to what you're experiencing.
Step 4 of 5 — Free Diagnosis
Answer all 3 questions so we can pinpoint your exact issue before revealing the fix.
Jacuzzi® · Heating
No heat — heater completely off
◆ Step-by-Step Fix
1Check the GFCI breaker at the J-box — a tripped breaker is the first thing to investigate and resolve before moving on to any other diagnostics.
2Test voltage at the heater terminals with a multimeter to confirm power is reaching the heating element properly.
3Measure the element resistance — replace if reading is outside the acceptable range for your specific model.
Rather have a pro do it?
Book a certified spa technician — in-home service