Eccotemp iE-11 Quick Start Manual - page 16

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TROUBLE-SHOOTING

Problems

Possible Causes

Corrective Actions

1. Inlet and outlet fittings leaking

A.  Fittings are not tight

B.  Rubber washer worn-out

A.  Tighten fittings.

B.  Change rubber washer.

2. No LED signal

A.  Power not connected.

B.  LED damaged.

A.  Connect power to the unit.

B.  Change LED.

3. Functional keys not working

A.  No water out from shower.

B.  Water pressure too low.

C.  Key or PCB damaged.

A.  Open valve to get water.

B.  Open valve to get pressure.

C.  Change key or PCB.

4. Water too hot

A.  Too high temperature set.

B.  Water flow too little.

A.  Set a lower temperature.

B.  Open valve more.

5. Water too cold

A.  Low temperature set.

B.  Water flow too much.

A.  Set a higher temperature.

B.  Reduce water flow.

6. Reduced outlet water pressure

Inlet strainer or shower clogged.

Clean strainer and shower.

7. LED displays E1

Outlet temperature is over 67°F/153°F

A, Reduce the temperature

B, Turn up the water flow

8. LED displays E3

Temperature sensor failure

Please contact with your local dealer

9. Display overload

Inlet water flow is too high.

Reduce the inlet water flow

7 and 8 should only be performed by qualified electrician. The person who initially installed the unit is the best one to contact for 

help.

NORMAL MAINTENANCE

Note: Do not attempt to repair this water heater yourself. Call a service person for assistance. Always turn off all power 

supply to the unit.  Turn off all circuit breakers supplying power to the appliance *please note some units are connected 

multiple circuit breakers.  Turn OFF ALL WATER SUPPLY and ALL POWER SUPPLY.

This unit does not require any regular maintenance. However, to ensure consistent water flow, it is recommended to follow 

the following procedures.

1. Periodically remove scale and dirt that may build up at the aerator of the faucet or in the shower head. 

2. There is a built in filter screen at inlet connection which should be cleaned from time to time. Please turn off the water flow 

before doing this.

EXPLOSIVE VIEW