Zodiac DuoClear, Installation Manual And Owner'S Manual

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If you experience a problem with your DuoClear, please follow the troubleshooting steps below to restore
performance. Any type of electrical troubleshooting should be performed by a qualified pool professional
or cer tified electrician. If fur ther assistance is required, contact Zodiac Customer Service at
800-822-7933. Please have your serial number and date of purchase available when you call.
Problem Solution
Water looks clean but there is no chlorine • Confirm that pool water is balanced, total alkalinity is
residual reading. 80 - 150 ppm and pH within 7.2 - 7.8 range.
• Inspect cell for calcium build-up, manually clean
if necessary.
• Check stabilizer (cyanuric acid) levels, 40-100 ppm.
• Increase chlorine output setting.
• Increase DuoClear run time.
• Verify the pump/filtration system are clean and
operating properly.
• Test for salt concentration and add as needed.
• Manually shock the pool.
Pool is green, walls are slimy or a Backwash the filter, then manually shock the pool to
chlorine odor is evident. destroy algae, bacteria and other contaminants. After
shock treatment, adjust pH to 7.2 - 7.8 ppm and check
for 1 - 3 ppm chlorine level. Push SUPER CHLORINATE
on DuoClear and run pool pump for 24 hours.
Water causing eye and/or skin irritation. Adjust water to proper alkalinity 80-150 ppm. Then
adjust pH to 7.2 - 7.8 ppm.
Scale formation on pool equipment. • Adjust water to proper pH, 7.2 - 7.8 ppm.
• Check calcium hardness. Dilute pool with fresh water.
Consult pool professional about sequestering agent.
CHLORINE OUTPUT will not • If yellow light in Chlorine Output indicator is flashing,
reach maximum. the unit is reversing polarity to clean electrodes. Wait
approx. 5 min. and output should return to normal.
• If ADD SALT light is also on, test water for salt
concentration and add salt if necessary. (Water
temperature below 65° may cause light to illuminate.)
• Inspect electrode for scale build-up, manually
clean if necessary.
• Installers only: Verify that chlorinator is connected to
220V and incoming voltage is not low. Raising salt level
can compensate for low voltage.
No Flow indicator is illuminated. • Ensure pool pump is on and valves are open.
• Make sure pool pump and filter are clean.
• Verify that electrode cap is connected securely.
Troubleshooting