8.913-970.0 - L • WATERMAZE CLP 5024/7034
23
W
A
TER
TREA
TMENT
SYSTEM
OPERA
T
OR’S MANU
AL
TROUBLESHOOTING - ORP/PH SENSORS
All controllers are manufactured to the highest quality standards and thoroughly tested before leaving the factory.
State-of-the-art designs and fabrication technology should ensure years for trouble-free operation.
PROBLEM
SOLUTION
NO LIGHTS ARE
ON WITH
POWER ON
Check for power going to controller.
Check for damaged power connector.
Check internal fuse (1A slow blo) marked F3 on control board.
ILLOGICAL pH AND
ORP VALUE DISPLAYS
The sensor cable connections may be reversed. Verify that the sensor
cables are properly connected to their respective BNC connectors
on the controller unit.
ORP FEEDER
DOES NOT
ACTIVATE
Make sure the AUTO feed light for ORP is on.
Check the ORP setpoint.
Check ORP relay fuse (5A slow blow) marked F2 on control board.
pH FEEDER
DOES NOT
ACTIVATE
Verify that the acid/base feed jumper JP14 on the control board is properly set.
Make sure the AUTO feed light for pH is on.
Check the pH relay fuse (5A slow blow) marked F2 on control board.
pH REQUIRES
FREQUENT
CALIBRATION
Clean or replace the sensor as outlined in the maintenance section.
INCONSISTANT
OR SLOW pH OR ORP
READINGS
Verify that the sensor cables are properly connected to their
respective BNC connectors and the controller unit.
Clean or replace the sensor as outlined in the maintenance section.
Replace the sensors if needed.
CHEMICAL FEEDER
RUNS CONTINUOUSLY
Make sure the AUTO feed mode is selected.
Verify that the chemical feeders are properly connected to their
respective connectors or controller unit.
