A.O. Smith Z6 User Manual page 31

SCPA change LED glows.
Buzzer beeps for
10 times and SCPA
change LED blinks
continuously.
Error Messages and Actions
Error Code/Error Description Unit Response
E1 (Element
connection
fault)
E2 (High
Temperature
Alarm)
E3 (NTC Sensor
Alarm)
E4 (EEEPROM
error)
E5 (Water level
sensor error)
SCPA change indicator
glows when 10% life is
remaining indicating that
it is time to replace filters.
SCPA change alarm is
triggered indicating that
the filters need to be
replaced and the water
supply has been stopped.
Buzzer beeps for 10
seconds and hot water
supply has been stopped.
Buzzer beeps for 10
seconds and hot water
supply has been stopped.
Buzzer beeps for 10
seconds and hot water
supply has been stopped.
Internal PCB error.
Buzzer beeps for 10
seconds, auto flush LED
blinks continuously and
the purifier stop working.
27
Call Customer care centre
for filters replacement.
Switch OFF the water
purifier and call Customer
care centre for filters
replacement.
Solution
Call Customer care centre.
Call Customer care centre.
Call Customer care centre.
Call Customer care centre.
Switch OFF the water
purifier and call Customer
care centre.