Troubleshooting - Navien NaviCirc Installation And Operation Manual

3. Troubleshooting

If you experience a problem with the NaviCirc, refer to the
following table for possible remedies.
Problem
The water from the hot
water tap is not hot enough.
The water from the hot
water tap is not hot enough
even when the water heater
is set at a high temperature.
The water from the hot
water tap is too hot.
Hot water comes out while
cold water is being used.
Noises after installation.
Possible cause(s)
Full temperature water has not
●
reached the fixture.
The hot water temperature of the
●
water heater is set too low.
The pump is not operating properly.
●
The pump is working, but hot water
●
does not reach the NaviCirc.
NaviCirc is not installed properly.
●
NaviCirc malfunction.
●
The water heater temperature is set
●
too high.
NaviCirc is operating properly.
●
NaviCirc malfunction.
●
Recirculation temperature cut-off
●
function.
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