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c.
If the LED display is illuminated with water flowing, you can begin to slow down the GPMs.
Close all running water taps except for 1 sink to verify water is heating and LED display is
staying on. Leave this sink running for approximately 45-60 seconds, during this time the unit
should be heating water.
i.
If the LED display is not staying illuminated, continue to Step 3.
3.
Thoroughly clean the flow meter. This process takes 10 to 15 minutes.
a.
Turn OFF breaker
i.
Once breaker is off, turn round knob to ensure no power is at the unit.
LED display will not light up if the correct breaker is off.
ii.
If LED display does illuminate, the correct breaker was not turned off.
b.
Unscrew front cover of unit. You will notice a “Warranty Void if Seal Broken”; disregard this.
i.
Warranty will not be voided. This sticker is there for safety purposes to ensure customers
contact technical support before opening the unit
.
c.
Locate flow meter
i.
Flow meter is a device located on the inlet side of water heater and consists of 4 Phillips
head screws and a small black wire (
see image below
)
ii.
Remove 4 screws and pull cover off, remove propeller and clean. Make sure propeller is
spinning freely and that all components are in the correct order (
see pictures below
).
Top Cap
Inside/PC board
Propeller
iii.
Turn water on and open a few faucets for 3-5 minutes to flush the water lines and make
sure there are no air pockets. Skipping this step might cause permanent damage to the
heating elements.
iv.
Turn on power to the unit and verify LED display remains illuminated with water running.
Let water run for approximately 45 to 60 seconds, during this time the unit should be
heating water.