Icon
Reliable Heating and Cooling Solutions – Quality Service, Fair Prices, Guaranteed Satisfaction!

Rinnai Error Code Bluetooth LED solid: Bluetooth LED solid blue (app pairing mode) (Tankless)

Updated · by Aurora Star Tech Inc.

Rinnai error code Bluetooth LED solid on a tankless water heater means: Bluetooth LED solid blue (app pairing mode). It is also called Rinnai diagnostic code Bluetooth LED solid.

Low severityTankless Water HeaterSENSEI RX/CX

Homeowner? What Rinnai code Bluetooth LED solid means for you

Usually minor Your tankless water heater is reporting: Bluetooth LED solid blue (app pairing mode). This code is usually informational or minor. The safe checks below often clear it; call us if it keeps showing up.

Safe things you can check yourself

  • Check that gas reaches the house: other gas appliances work, or the propane tank is not empty.
  • Make sure the heater is plugged in and its breaker is on. In winter, keep the power on: it protects the unit from freezing.
  • Outside, make sure the intake and exhaust pipes or vent cap are not blocked by snow, ice, leaves or a nest.
  • Check that the hot and cold water valves under the heater are fully open.
  • If you have a remote controller, turn it off and on once. If the code comes back, call a technician.

Call (647) 657-2977Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Rinnai error code Bluetooth LED solid mean?

Pressing and releasing the controller's Bluetooth key turns its LED solid blue. The heater is ready to pair with the Rinnai Central app (professional account). One beep means pairing succeeded; two beeps mean pairing time ran out without a connection.

Applies to: Rinnai SENSEI RX/CX tankless (RX, RXP, CX, CXP)

Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

Rinnai models that use code Bluetooth LED solid

CX160iCX199iCXP160iCXP199iRX130iRX160iRX180iRX199iRXP160iRXP199i

Other Rinnai Tankless codes

CodeMeaning
73Burner thermocouple fault
79Water leakage detected
888Initial settings saved
AVenturi reset sequence: step A (RX/CX)
AdJVenturi reset sequence: step AdJ (RX/CX)
Bluetooth LED blinkingBluetooth LED blinking (push-button pairing mode)
dESDescaling (flush) mode
Diag historyMaintenance code history viewer (last 9 codes)
Diagnostic historyShow last 9 maintenance codes
EVenturi reset sequence: step E (code 17 or 52 only)
ECLReset complete
EndDescaling procedure ended

All Rinnai Tankless Water Heater error codes →

Rinnai code Bluetooth LED solid: homeowner questions

What does Rinnai code Bluetooth LED solid mean?

Bluetooth LED solid blue (app pairing mode). Pressing and releasing the controller's Bluetooth key turns its LED solid blue. The heater is ready to pair with the Rinnai Central app (professional account). One beep means pairing succeeded; two beeps mean pairing time ran out without…

Is it safe to keep using my tankless water heater with code Bluetooth LED solid?

Usually yes. Code Bluetooth LED solid is normally minor, but if it keeps coming back have it checked.

Can I reset Rinnai code Bluetooth LED solid myself?

You can try one reset (power off for 30 seconds, then on). If Rinnai code Bluetooth LED solid comes back, the cause is still there and a licensed technician should check it.

Who can fix Rinnai code Bluetooth LED solid near me?

Aurora Star Tech Inc. repairs Rinnai tankless water heaters in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.

Homeowner help: Tankless Water Heater No Hot Water: What to Check

Troubleshooting guides

Source: Rinnai Troubleshooting TWH Diagnostic Codes (100000652), BLE and App Instructions p.4; Rinnai SENSEI RX Residential Installation and Operation Manual (100000839), 4.12 p.46 and 7.5 p.75. Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Emergency HVAC Service

647-657-2977