A.O. Smith Z1 - Error Messages and Actions

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Error Messages and Actions
Error Code/Error Description Unit Response Solution
E1 (Element Buzzer beeps for 10 Call Customer care centre.
connection seconds and hot water
fault) supply has been stopped.
E2 (High Buzzer beeps for 10 Call Customer care centre.
Temperature seconds and hot water
Alarm) supply has been stopped.
E3 (NTC Sensor Buzzer beeps for 10 Call Customer care centre.
Alarm) seconds and hot water
supply has been stopped.
E4 (EEEPROM Internal PCB error. Call Customer care centre.
error)