Jandy TruDose - ORP alert LED blinking; Display and LEDs off; Feeder not operating; Flow LED off

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ENGLISH
Jandy
®
TruDose
TM
Chemical Controller
|
Installation & Operation Manual
Problem Possible Cause Corrective Action
ORP alert LED
blinking
(ORP is lower than
390 mV or higher than
910 mV)
Problem with chlorine production. Verify chlorine was not manually added.
Problem with chlorine supply. Verify the saltwater chlorinator powerpack
and cell work properly.
Controller undershooting set level. Check for proper valve positions and leaks
in chlorine lines.
Display and LEDs o󰀨 No power supply. Check circuit breaker.
Feeder not operating Inadequateow. Checkowthroughowcellandcontroller.
Flow LED o󰀨 Verify all appropriate valves are open.
Verifythereissu󰀩cientpressureinthe
line. Close right side valve slightly if
necessary.
Verifytheowswitchissecurely
connected to the controller terminals.
Both the pH and ORP dose outputs are
disabledifthegreenowLEDisnot
illuminated.
pH alert LED ON and
"Er1" displayed on the
LCD screen
(pH overfeeding
alert ON, setpoint
not reached after 60
dosing cycles)
Chemical feeder is empty Rellthefeeder
Dose time too low Increase pH dose time (seconds)
Sensor malfunction Calibrate, clean or replace pH sensor
Alkalinity too high Check and adjust alkalinity
Feed pump malfunction Repair the feed pump
ORP alert LED ON and
"Er2" displayed on the
LCD screen
(ORP overfeeding
alert ON, setpoint
not reached after set
chlorination time)
Saltwater chlorinator issue Check the saltwater chlorinator and its cell
Overfeed alert time too low Increase overfeed alert time
Sensor malfunction Calibrate, clean or replace the ORP sensor
Cyanuric acid concentration too high Lower cyanuric acid concentration in the pool
Dailyltrationtimetoolow Increasedailyltrationtime
pH too high Please refer to "pH level is too high" section