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T5 sensor is registering too high of a
temperature. This error can only occur if
the optional T5 sensor is was purchased
and installed on the boiler.
This is the location of the T5 sensor if installed.
If the red tab is in place this sensor was never
installed, which means the circuit has
somehow been jumped out. Contact Rinnai
tech support for assist if you get the bL80
without the T5 sensor being installed.
Inspect vent system and all air passages
ways for blockage
12
212˚F is the default temperature setting for
parameter 84. Verify to see if the temperature
setting for this parameter is set higher than
the default. If so, inspect vent system for
blockage. CAUTION: ensure all vent
components are properly seated when re-
installed.
008082013GW
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