Aquacal Pool Pilot 75003 - Manual (Page 55)

TROUBLESHOOTING GUIDE
49
Total Control Error Displays
Message on Display Problem Typical Solution
Error! Purifier off
Error! Acid off
Check flow at sensors Flow at sensors is not detected. Chlorine and acid
are not fed under these conditions, until corrected. Ensure sufficient flow to the flow cell, pg. 44.
Open the inlet and outlet valves to the flow cell.
Valve handles should be vertical.
Verify that the sample water valve is closed,
valve handle horizontal.
Error! Purifier off
Error! Acid off
Check ORP sensor The measured ORP is out of range and may be
caused when the sensor is not properly connected
or if the sensor is past its useful life. Out of range
ORP measurement is below 100 mv or above 900
mv. Chlorine and acid are not fed under these
conditions, until corrected. Check and secure ORP connections.
Replace ORP sensor.
Error! Purifier off
Error! Acid off
ORP overfeed The measured ORP has not reached its set point
within a user programmable time, between No
ORP Overfeed to 120 minutes. The factory setting
is “No ORP overfeed”. Chlorine and acid are not
fed under these conditions, until corrected. Clear the ORP overfeed warning by
programming ORP overfeed OFF and back ON,
pg. 36.
Check the operation of the purifier mode by
ensuring proper salt, pH, and stabilizer levels.
Check and clean ORP sensor.
Check “Other conditions” on pg. 47.
Error! Purifier off
Error! Acid off
Check pH sensor The measured pH is out of range and may be
caused when the sensor is not properly connected
or if the sensor is past its useful life. Out of range
pH measurement is below 4.0 or above 9.9.
Chlorine and acid are not fed under these
conditions, until corrected.