550180 | Rola-Chem Globe Flow Cell kit

6. Troubleshooting
6.1 If Controller doesn’t appear to be reading correctly:
6.1.1 Inspect Probes. See Cleaning in Maintenance section.
6.1.2 Check the pH Probe with 7.2 pH buffer solution.
The ORP Probe can be checked with a solution of 1 drop 5.25% bleach (i.e. household bleach) and 1 pint water. This should provide a 1-2 ppm free chlorine solution (check with test kit) Add one drop of chlorine at a time to adjust test mixture as required. Put ORP Probe in mixture. The ORP reading should be 600 to 800 mV.
Note: It may take three to five minutes for Probes to respond to solution. If it takes longer you should replace the Probes.
6.1.3 Adjust flowrate through Flowcell. Incorrect ORP/pH reading can occur if water is flowing too fast in the Flowcell. Variable speed circulation pumps can cause Float to indicate incorrectly. See Adjusting flow in Use of Flowcell section.
6.1.4 Verify that Probe ends are in the flow stream of the Flowcell.
6.2 If Controller flow light is not on:
6.2.1 Confirm that adequate flow is going through the Flowcell.
Open center Sampling Valve on the Flowcell. If light turns on, this may indicate a blockage between right (outlet) Flowcell fitting and the installation point on downstream side of the pool filter.
6.2.2 Confirm that Flow Switch float is free to move.
6.2.4 A filter on the inlet to the Flowcell can reduce contamination that can cause Flow Switch float to stick.
NOTE: It is recommended that an inline filter be used to help keep the Globe Flowcell (including probes) and flow switch free from debris. Debris may cause obstruction in flow switch and prevent the switch from functioning