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HOT TUB WATER MAINTENANCE TROUBLESHOOTING GUIDE
Cloudy Water
Water Odor
Chlorine Odor
Musty Odor
• Dirty filter
• Excessive oils / organic matter
• Improper sanitization
• Suspended particles / organic matter
• Overused or old water
• Excessive organics in water
• Improper sanitization
• Low pH
• Chloramine level too high
• Low pH
• Bacteria or algae growth
• Build-up of oils and dirt
• High pH
• Low sanitizer level
• Low pH
• Low sanitizer level
• Unsanitary water
• Free chlorine level above 5 ppm
• Total alkalinity and/or pH too low
• High iron or copper in source water
• High calcium content in water – total
alkalinity and pH too high
Organic buildup /
scum ring around spa
Algae Growth
Eye Irritation
Skin Irritation / Rash
Stains
Scale
• Clean filter
• Shock hot tub with sanitizer
• Add sanitizer
• Adjust pH and/or alkalinity to recommended range
• Run jet pump(s) and clean filter(s)
• Drain and refill the hot tub
• Shock hot tub with sanitizer
• Add sanitizer
• Adjust pH to recommended range
• Shock hot tub with sanitizer
• Adjust pH to recommended range
• Shock hot tub with sanitizer – if problem is visible or persistent, drain,
clean, and refill the hot tub
• Wipe off scum with clean rag – if severe, drain the hot tub, use a hot tub
surface and tile cleaner to remove the scum, and refill the hot tub
• Shock hot tub with sanitizer and adjust pH
• Shock hot tub with sanitizer and maintain sanitizer level
• Adjust pH
• Shock hot tub with sanitizer and maintain sanitizer level
• Shock hot tub with sanitizer and maintain sanitizer level
• Allow free chlorine level to drop below 5 ppm before spa use
• Adjust total alkalinity and/or pH
• Use a metal deposit inhibitor
• Adjust total alkalinity and pH – if scale requires removal, drain the hot tub,
scrub off the scale, refill the hot tub and balance the water
Problem Probable causes Solutions
TROUBLESHOOTING
Should you experience any problem, do not hesitate to contact your authorized Limelight
™
dealer. Here are some tips to help you to diagnose and
rectify some more common sources of trouble yourself, if you choose to do so.
GENERAL OPERATION TROUBLESHOOTING GUIDE
Entire hot tub is
inoperative
Hot tub does not heat;
jets and light operate
(Ready and Power
indicators are blinking)
Jets weak or surging
Light(s) inoperative
• Power failure
• GFCI tripped
• Heater high-limit thermostat tripped
• Spa lock activated
• Integrated pressure switch open
• Circulation pump thermal cut-off tripped
• Hot tub water level too low
• Filter(s) clogged
• Closed Air Control levers
• Spa lock activated
• Light, wiring or assembly is faulty
• Heater high-limit thermostat tripped
• Temperature sensor problem
Power indicator blinking
(Entire hot tub inoperative)
Ready indicator blinking
• Check power source
• Reset GFCI; call for service if it will not reset
• Disconnect power for at least thirty seconds to reset heater high limit. If it
will not reset, check for clogged filter(s). If tripping continues, call for service.
• Deactivate spa lock
•
Check for clogged filter. Integrated pressure switch will reset when the
flow of water through the heater has been restored. Call for service if the
heater trips frequently.
• Check for clogged filter or air locks in plumbing. Disconnect power to the
spa, allow circulation pump to cool. Circulation pump thermal cut-off will
reset when pump has cooled and power is reapplied. Call for service if
circulation pump thermal cut-off trips frequently.
• Add water
• Clean filter
• Open Air Control levers
• Deactivate spa lock
• Call for service
• Disconnect power for at least thirty seconds to reset heater high limit. If it
will not reset, check for clogged filter(s). If tripping continues, call for service.
• Disconnect power for at least thirty seconds. If blinking continues, call for
service.
Problem Probable causes Solutions
Service Information
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