Circuit Diagram - A.O. Smith HSE-SBS-006 User Manual

Error Messages and Actions
Error Code Reason
E0 Electrical Leakage in the unit.
E1 Temperature sensor circuit
short or open.
E3 Exceeds maximum Operating
temperature.
E4 Malfunction of leakage circuit.
E5 Low voltage protection
(<100 V) and
High voltageprotection
(>275 V).

Circuit Diagram

For HSE-SBS-006 and HSE-SBS-010 models
Figure 30
R e d
Green/Yellow
Black
For HSE-SBS-015 and HSE-SBS-025 models
Figure 31
Black
Red
Green/Yellow
Self-diagnostic / Action
Call Customer care centre.
Call Customer care centre.
Call Customer care centre.
Call Customer care centre.
Switch off the water heater and Switch on
the water heater when voltage returns
to normal.
If the problem still persists switch off the
water heater and call Customer care centre.
Thermal cutout
R e d
Green light
Thermal Cutout
Black
Power
Board
Red
Wired
Remote
18
Thermostat
Green
Brown
Red light
Black
Blue
Element
Red
Element