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12 

 

 

Troubleshooting 

 

Problem 

Possible causes 

Corrective action 

No indication light 

No hot water 

1)

 

No power to heater 

2)

 

No power at electric socket 

3)

 

Failure in control circuit or 
internal wiring 

1)

 

Switch on power to heater 

2)

 

Check power socket 

3)

 

Contact local authorized 
dealer 

No indication light   

High water temperature 

1)

 

High temperature limit switch 
tripped 

2)

 

Electrical circuit failure 

1)

 

Switch off power supply 

2)

 

Contact local authorized 
dealer 

Indicator light on, no hot water  Heating element or internal circuit 

failure 

Contact local authorized dealer 

Dripping from pipe joints 

Unsealed joints 

Reconnect pipes of the water heater 
and be sure to use sealant 

Dripping from enclosure 

1)

 

Tank or accessories leakage 

2)

 

Drain blocked 

3)

 

Condensation pipe distorted 
or not downward facing 

1)

 

Disconnect power to heater 
immediately 

2)

 

Check and direct condensation 
pipe downwards 

3)

 

Contact local authorized 
dealer 

 

 

 

 

 

 

 

 

CAUTION: 

 

Before installing the heater, ensure that the power source and wires are suitable 

 

The heater should be earthed reliably. Ensure the earth wire is not in contact with the neutral wire or 
any pipes 

 

Once the temperature has been set and the relief valve installed, end users should not alter the 
installation location or tamper with the relief valve 

 

Hot water over 50

°

C will scald. Always test the water temperature by mixing it with cold water 

before coming into contact with it.   

 

This appliance is not intended for use by persons (including children) with reduced physical, sensory 
or mental capabilities or lack of experience and knowledge, unless they have been given supervision 
or instructions concerning use of the appliance by a person responsible for their safety. 

 

Children should be supervised to ensure that they do not play with appliance.   

Summary of Contents for ELJH-30

Page 1: ...Storage Water Heater ELJH 30 ELJH 40 ELJH 50 ELJH 80 ELJH 100...

Page 2: ...of homeowners contractors architects and specifying engineers in over 60 countries by providing innovative energy efficient products designed for years of trouble free service Today A O Smith Water P...

Page 3: ...fety Valve Thermal Cut Out Installation 6 Mounting Mounting procedures and precautions Mounting guidelines Plumbing connection Water inlet and outlet connection Power connection Wiring diagram of wate...

Page 4: ...75 5 35 75 5 Rated water pressure MPa 0 8 0 8 0 8 0 8 0 8 Minimum inlet water pressure MPa 2 0 2 0 2 0 2 0 2 0 Maximum inlet water pressure MPa 3 0 3 0 3 0 3 0 3 0 Inlet outlet connection inches Water...

Page 5: ...mperature indicator 7 Multi function safety valve 2 Heating element 8 Stopcock not included with water heater 3 Anode 9 Pilot light 4 Cold water inlet pipe with diffuser 10 Inlet 5 Hot water outlet pi...

Page 6: ...rds This makes our tanks one of the best inner containers resistant to rust and scaling Anode Rod Protection The tank has an anode rod system with a stainless core that is designed to protect the tank...

Page 7: ...water heater is not installed on the weight bearing wall or is mounted on hollow brick wall corresponding protective measures must be provided This water heater must be installed with the fixing acce...

Page 8: ...s are permitted Ensure the screw is not excessively tightened This may damage the expansion tubes Insert the square holes of the upper of supporting rack at the back of the water heater onto the brack...

Page 9: ...ted regularly to remove lime deposits and to verify that it is not blocked The hot water pipe is connected to the water outlet outlet pipe has a red cap If the water pressure of the inlet pipe approac...

Page 10: ...manufacturer its service agent or similarly qualified persons in order to avoid a hazard Wiring diagram 1 Thermostat setting knob 4 Power supply connection 2 Pilot light 5 Ground connection 3 Thermal...

Page 11: ...itions the safety valve lever should be opened periodically If water flows from the valve it is in good working condition Otherwise please contact a local authorized A O Smith dealer Maintenance instr...

Page 12: ...this end The water inlet pipe connection is connected to floor drain by pipes Discharge water from this end 4 Open the water inlet valve to get the maximum tap water flow and flush the tank till the...

Page 13: ...d facing 1 Disconnect power to heater immediately 2 Check and direct condensation pipe downwards 3 Contact local authorized dealer CAUTION Before installing the heater ensure that the power source and...

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