Polaris Watermatic C-660, User Manual, Page: 19 / 31

IX. Troubleshooting
PROBLEM POSSIBLE CAUSE SOLUTION
SANITIZER LEVEL Set knob set too low Adjust knob clockwise until the
TOO LOW proper sanitizer level is reached and
stabilized
pH level too low (less than 7.2) Check pH level with a test kit
and adjust as required
Chemical feeder empty Refill chemical feeder
Controller malfunction Replace controller module
Sensor failure Replace sensor
SANITIZER LEVEL Sensor dirty Clean according to the mainte-
TOO HIGH nance instructions
Set knob set too high Test the sanitizer with a test kit and ad-
just the ORP knob counterclockwise
until the proper sanitizer level is reached
pH too high (above 7.8) Check pH level with a test kit and
adjust as necessary
pH LEVEL Set knob set too low Adjust pH set knob
TOO LOW
pH calibrate knob Adjust pH calibrate knob
improperly adjusted
Chemical feed rate too high Lower feed rate
Chemical feeder empty Refill chemical feeder
(if using base)
Controller malfunction Replace controller module
Sensor failure Replace sensor
pH LEVEL Sensor dirty Clean according to the mainte-
TOO HIGH nance instructions
pH sensor calibration Adjust pH sensor calibration
improperly adjusted
pH set knob set too high Adjust knob counterclockwise
Chemical feeder empty Refill chemical feeder
(if using acid)
Feed pump malfunction Repair feeder pump
Chemical feed rate too low Increase feed rate
RED pH ALERT pH level is below 7.0 or Manually adjust pH in the pool
LIGHT ON
above 8.2
DISPLAY LIGHTS No power supply Check circuit breaker
OFF
FEEDER DOES Bad fuse Replace fuse
NOT OPERATE
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