Troubleshooting; Circuit Diagram - A.O. Smith HSE-SES-015 User Manual

Troubleshooting

Problem
• No display on
digital control
• No hot water
• Water temperature
is too high
• Display, no hot water
• Piping connection
leaks
• Water leakage
from product
• Digital control display
error code "E0"
• Digital control display
error code "E1"
• Digital control display
error code "E3"
• Digital control display
error code "E4"
• Digital control display
error code "E5"
Note: Call Customer Care Centre on 1.800.103.2468

Circuit Diagram

Black
Red
Green/Yellow
Possible Cause(s)
Heater is not plugged in
Thermal cutout trips
No power supply in power
socket on the wall
Control circuit or internal
wiring error
Electronics circuit damaged
Heating element(s)
breakdown or internal
wiring error
Connection not sealed
Leakage in tank or
other parts
Leakage of electricity
Temperature sensor circuit
short or open
Extra high temperature
Malfunction of leakage
circuit
Low/High voltage protection
(<100 V & >275 V)
Thermal Cutout
Black
Red
Solution
Plug in the heater
Call Customer Care Centre
Check the power socket
Call Customer Care Centre
Call Customer Care Centre
Call Customer Care Centre
Re-connect piping, using tape
thread sealant.
Refer plumbing instructions on
page 4
Shut off power immediately and
Call Customer Care Centre
Call Customer Care Centre
Call Customer Care Centre
Call Customer Care Centre
Call Customer Care Centre
Use after voltage returns to
normal
Blue
Power
Element
Board
Red
Control
Board
11