Sys Err' Appears On Display - Hayward HydroRite UVO3 Troubleshooting Manual

1. 'SYS ERR' Appears on Display

'SYS ERR' on
Display
Problem
solved
YES
YES
Are cables
damaged?
NO
Replace all
lamps &
calibrate
27
Clean Quartz
Sleeve & Lamp
Sensor
Inspect the
YES
lamp cable
connections
Are they Verify 216-264VAC
correct? present on the PCB
NO
Reseat &
retest
Replace
lamp cables
After 30 mins.
YES
does 'SYS ERR'
still appear?
NO
Are LEDs ON
at all?
NO
Are voltage
YES
readings
correct?
NO
Replace
Interconnect
PCB
Are ballast
YES
LEDs ON in
Green?
NO
YES
Verify LEDs
on ballasts
Check lamp
'run' hours
Run time
YES
exceeds
9,000 hrs.?
NO
Contact Tech
(908) 355.7995
Replace
ballast(s)
Is chemistry
balanced?
NO
Balance
& retest
Replace
lamps
Support: