INST 473 ZODIAC EL24 Salt Chlorinator V10.18
10
TROUBLESHOOTING
Your EL-24 Chlorinator has diagnostic and safety features to make it easy to maintain your system.
The table below summarises potential faults and their causes.
Fault Indication
Potential Cause
Remedy
No Flow
Pump turned off/disconnected or
valves closed
Blue wire disconnected from cell
Ensure valves/pump on
Connect Blue sense wire to cell
Low salt
Salt level in pool has dropped too low
Pool water temperature is low
Cell has calcified
Cell has failed
Take sample of water to pool shop
and check salt level
– add salt as
recommended.
Add salt and turn chlorinator
output down until the water is
warmer
Clean cell
Call for Service
Display blank
No Power to Controller
Fuse blown
Plug in controller and ensure
mains power available
Have a service technician replace
fuse (3 amp slow blow)
Low/No chlorine
in pool
Cables not connected to cell
Timer period too short
Chlorine output level too low
Filter needs backwashing
Ph too high
Pool stabiliser (cyanuric acid) too low
Salt level too low
Connect cables
Increase timer period
– particularly
in summer
Increase chlorine output
Backwash filter
Balance pH level to 7.4
– 7.6
Increase Stabiliser between 30
and 60 ppm
Increase salt to above 6000 ppm
Clock loses time
when mains
power removed
Battery life expired
Call a technician