“These tanks are already low maintenance, so the responsiveness of the Grimm staff is just a bonus.”

Ken Blood
Head Athletic Trainer
Muskingum University


These online tools allow you to identify problems and potentially return your systems to operational efficiency. As always, our team is here to help you when you need us.

Possible Cause: 

  • Power cord unplugged.
  • GFCI breaker tripped.

Possible Solution: 

  • Check that the water supply is on, then press and hold (for 3 seconds) the start button on the Electronic Unit Controller shown below.
  • Check that both pumps are on and pumping water.

grimm scientific cryotherm hydrotherapy grimm tub controler

Possible Solution: 

  • Check filter cartridges.

Possible Solution: 

  • Check pump suction fittings for debris.
  • Check filter cartridges.

Possible Solution: 

  • Check heater reset button.