A.O. Smith EWS 6, Руководство пользователя, Страница: 10 / 16

Troubleshooting
Circuit Diagram
Green and
Red light off
No hot water
Green light on
Red light off
No hot water
Problem Cause(s) Action
No power to heater
Thermal cutout switch open
Control circuit or internal
wiring error
Non-functioning
thermostat
Control circuit or internal
wiring error
Thermostat set is too high
Thermal cutout trips
Non-functioning element
Non-functioning
thermostat
Improper calibration
Connection not sealed
Turn on electrical switch. Check for
blown fuses or tripped breaker
Call Customer Care Centre on 1.800.103.2468
Call Customer Care Centre on 1.800.103.2468
Call Customer Care Centre on 1.800.103.2468
Thermostat may need to be replaced
Call Customer Care Centre on 1.800.103.2468
Call Customer Care Centre on 1.800.103.2468
Element may need to be replaced
Call Customer Care Centre on 1.800.103.2468
Thermostat may need to be replaced
Call Customer Care Centre on 1.800.103.2468
Thermostat may need to be replaced
Call plumber
Water temperature is
too high
Water heats slowly
Thermostat does not
shut off
Piping connection leaks
Tank or parts leak Shut off power immediately, and
Call Customer Care Centre on 1.800.103.2468 Leaky cover
7
Element
Black
Thermostat
Green
White
High limit
Green light Red light