Great Lakes Hot Tub Troubleshooting

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Great Lakes Spas is a company that began selling swimming pools in 1969 as Glamour Pools of the Midwest, then switched to spas and changed the name in the early 1980s. Emerald Spas purchased the company in 2007. Regardless of which name yours was manufactured under, it operates with pumps and filters and jets all working in unison. The spa's operating concept is simple, but the parts that make it happen, and the interaction between them, can be complex. It stands to reason you may encounter performance problems from time to time. When they do, troubleshoot first. You can remedy several less complex hot tub issues with basic factory-endorsed procedures without having to pay for a service call.

Things You'll Need

  • Screwdriver
  • Towel
  • Reset the circuit breaker to the hot tub if it has tripped, and ensure the spa control is plugged securely into the equipment module if the module won’t function.

  • Inspect all of the valves to ensure they’re open, and clean any debris out of the filter if the pump runs but no water is flowing. Also, clear debris from the suction intake covers and fill the tub so the water is at least 2 inches higher than the skim filter.

  • Open all the valves to encourage full water flow, and press the temperature set button to raise the temperature if the pump is running with water flow but no heat. Clean out the filter to increase water flow, as well. Low flow won’t create enough water pressure for the heater to cycle on.

  • Open the jets and valves, and clear debris from the suction intake covers if the water flow is low in high-speed mode. Ensure that the water level is at least 2 inches above the skim filter.

  • Tighten any loose screws on the face of the equipment module, or bolts that attach the module to the frame. Loose one may indicate the pump vibrates a lot. Look around the tub to ensure it isn’t rubbing on anything like a deck or railing. Turn the pump off and loosen the pump unions slightly and turn the pump back on for three to five seconds to bleed air out if the other methods didn’t stop the vibration. Turn the pump off and tighten the unions when you’re done. Hold a towel over the pump when it’s on to avoid being splashed.

  • Call the service company if you're still dry docked in a Great Lakes.

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