6.2 Troubleshooting (S Model)
Your APR 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
No Flow
Pump turned off/disconnected or
valves closed
Blue wire disconnected from cell
Low salt
Salt level in pool has dropped too low
Pool water temperature is low
Cell has calcified
Cell has failed
Display blank
No Power to Controller
Fuse blown
Low/No chlorine
Cables not connected to cell
production
Timer period too short
Chlorine output level too low
Filter needs backwashing
Ph too high
Pool stabiliser too low
Salt level too low
Clock loses time
Battery life expired
when mains
power removed
APR Salt Chlorinator (V3)
Remedy
Ensure valves/pump on
Connect Blue sense wire to
cell
See section 3.5 above
See section 3.5 above
See section 4.1
Call a technician
Plug in controller and
ensure mains power
available
Replace fuse (3 amp slow
blow)
Connect cables
Increase timer period
Increase chlorine output
Backwash filter
Get pH level correct
Get Stabiliser between 30
and 60 ppm
Increase salt to above
4000ppm
Call a technician
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