S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 31
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1. Turn the water supply to the unit OFF. Turn the remote
control OFF, wait 10 seconds and turn the remote
control ON. Turn the water supply to the unit ON and
check the nearest hot water fixture for hot water. If you
have hot water, then the unit needed to be reset.
2. Your water lines might be crossed. Make sure your hot
and cold water supply lines are connected to the
appropriate hot and cold water connections on the unit.
3. Your water flow may be restricted by a dirty In-Line
Water Filter. Remove the water filter and inspect. Clean
if necessary.
4. Possible plumbing cross-over in the home. Turn OFF
hot water valve to the water heater. Go to each water
fixture in the home and turn ON the hot water ONLY
(test washing machine by setting it to hot ONLY). If
water flows freely through the hot water side of the
fixture, this is a plumbing crossover. HINT: During this
test, to prevent scalding, pressure-balancing valves on
single-handle fixtures will not allow any water to flow if
there is a plumbing crossover.
5. Water flow might be too low. Open multiple hot water
fixtures. If unit fires then there is not enough water flow
to engage the unit at a particular fixture. Check your
fixture aerator screen(s) for debris. Clean if necessary.
FOR RECIRCULATION LINES: check pump size, aqua-
stat, check valve, and operation.
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