Symptom Solution
LED on module
does not turn on
• Ensure the module is properly
connected to the Terminals for
Control on the PC Board.
• Ensure power is supplied to the
water heater.
Rinnai App cannot
detect Local Area
Network Wi-Fi
signal
• Ensure the LAN is using 2.4GHZ.
• Ensure the Wi-Fi router is powered
and properly functioning.
• Ensure the module is installed in a
location with strong signal strength.
Local Area Network
Wi-Fi signal is
detected but the
Rinnai App cannot
connect
• Ensure the correct Local Area
Network Wi-Fi password is entered.
• Press Cancel in the Rinnai App
and repeat the setup process
starting from pairing the module
with the Rinnai App.
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