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. Call 1-800-223-5395. All Grimm products are sold and serviced directly by the factory. Call us toll-free Monday through Friday, 8:00 a.m. to 5:00 p.m. Eastern Time about your thermal therapy needs. We are often available before and after hours, so call us anytime.

ProblemPossible Cause
Nothing happens when Power switch is switched “On”• Power cord unplugged.
• GFCI breaker tripped.
CRYOTherm won’t cool or heat• 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.
Water cloudy• Check filter cartridges.
Water circulation impaired• Check pump suction fittings for debris.
• Check filter cartridges.
Warm tank not holding temperature• Check heater reset button.