A.O. Smith HSE, User Manual

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14
The water heater may not operate as desired if used incorrectly or there is a minor cause,
even though the product has no fault. In these cases, check the following issues to solve
simple problems without the help from the Customer care centre. If the problem does not
solve after checking the following issues, call Customer care centre.
Troubleshooting
Note: Call Customer care centre on 1800-103-2468
Problems Possible Cause(s) Solution
Power indicator lamp and No power supply to the water Turn ON electrical switch.
Heating indicator lamp heater.
does not glow.
Thermostat does not shut OFF. Thermostat is not functioning.
Call Customer care centre.
Improper thermostat calibration. Call Customer care centre.
No hot water. Thermal cut-out switch open. Call Customer care centre.
No power supply to the Check the power socket.
water heater.
Control circuit or internal Call Customer care centre.
wiring error.
Water temperature is too high. Improper thermostat calibration. Call Customer care centre.
Thermal Cut-out trips. Call Customer care centre.
Water heats slowly. Heating element is not Call Customer care centre.
functioning.
Piping connection leaks.
Connection not sealed. Re-connect piping, using
Teflon tape.
Water leakage from product. Leakage in tank or other parts. Switch off power immediately
and Call Customer care centre.
Water dripping from Non-return valve is installed Install Non-return valve at a
Multi-function Safety close to the inlet of the water distance of atleast 40 feet from
valve during heating. heater. the inlet of the water heater or
connect a Discharge tube from
Multi-function Safety valve to
nearby drain. (Refer “Fig 13”)