AO Smith POWER VENT GAS Manuel D'installation Et D'utilisation page 46

Problem
WHEN THE TAP IS OPENED,
THERE IS NO HOT WATER OR THE
HOT WATER TURNS COLD AND
STAYS COLD.
THE WATER IS NOT HOT
ENOUGH.
THE WATER IS TOO HOT.
CANNOT OPEN DOOR.
46
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Possible Cause(s)
a. The hot water fi xture is not
suffi ciently open to draw the water
through the heater.
b. The unit display is an error code.
c. There is an external recirculation
system installed, or there is a
check valve on the recirculation
return line.
d. Improper sized dip tube.
e. Water heater disconnected from
electrical power.
The temperature is set too low.
The temperature set too high.
Door pins locked in place.
TABLE 6
www.hotwater.com
What to do
Check if there is any error code on
the display.
a. Check unit's temperature setting.
b. Check for cross plumbing between
cold and hot water lines.
Check unit's temperature setting.
a. Ensure the door lock is unlocked
b. Ensure the top and bottom door
pins are released by using a small
screwdriver to pry the pins in the
direction of the door opening.
316888-001 Rev. 00 dRaFt Jun 28 245