Error Codes, Code Fault Remedy | Rinnai R94LSI, R98LSI-ASME specs

Error Codes

The Rinnai water heater has the ability to check its own operation continuously. If a fault occurs, an error code will flash on the Display of the temperature controller. This assists with diagnosing the fault and may enable you to overcome a problem without a service call. Please identify the code displayed when inquiring about service.

Code	Fault	Remedy
02	No burner operation during	Service Call
	freeze protection mode

03	Power interruption during	Turn off all hot water taps. Press ON/OFF twice.
	Bath Fill (Water will not flow
	when power returns).

10	Air Supply or Exhaust	Ensure Rinnai approved venting materials are being used.
	Blockage	Check that nothing is blocking the flue inlet or exhaust.
		Check all vent components for proper connections.
		Ensure vent length is within limits.
		Ensure condensation collar was installed correctly.
		Verify dip switches are set properly.
		Check fan for blockage.

11	No Ignition	Check that the gas is turned on at the water heater, gas meter, or cylinder.
		Ensure gas type and pressure is correct.
		Ensure gas line, meter, and/or regulator is sized properly.
		Bleed all air from gas lines.
		Verify dip switches are set properly.
		Ensure appliance is properly grounded.
		Disconnect EZConnect™ or MSA controls to isolate the problem.
		Ensure igniter is operational.
		Check igniter wiring harness for damage.
		Check gas solenoid valves for open or short circuits.
		Remove burner cover and ensure all burners are properly seated.
		Remove burner plate and inspect burner surface for condensation or debris.
12	Flame Failure	Check that the gas is turned on at the water heater and gas meter. Check for
		obstructions in the flue outlet.
		Ensure gas line, meter, and/or regulator is sized properly.
		Ensure gas type and pressure is correct.
		Bleed all air from gas lines.
		Ensure proper Rinnai venting material was installed.
		Ensure condensation collar was installed properly.
		Ensure vent length is within limits.
		Verify dip switches are set properly.
		Ensure appliance is properly grounded.
		Disconnect keypad.
		Disconnect EZConnect™ or MSA controls to isolate the problem.
		Check power supply for loose connections.
		Check power supply for proper voltage and voltage drops.
		Ensure flame rod wire is connected.
		Check flame rod for carbon build-up.
		Disconnect and reconnect all wiring harnesses on unit and PC board.
		Check for DC shorts at components.
		Check gas solenoid valves for open or short circuits.
		Remove burner plate and inspect burner surface for condensation or debris.

VA Series Indoor LS Manual

R50LSI, R94LSI, R75LSI, R98LSI-ASME, R98LSI specifications

The Rinnai R50LSI, R75LSI, R94LSI, R98LSI, and R98LSI-ASME are high-efficiency tankless water heaters designed for residential and commercial applications. Each model in this line-up boasts unique features and technologies that cater to varying hot water needs while emphasizing energy efficiency and reliability.

The R50LSI is the most compact option in the lineup, providing up to 5.1 gallons per minute (GPM) of hot water at a 35°F rise in temperature. It is an ideal choice for smaller households or apartments where space is a premium. It operates using a direct vent system, ensuring safe exhaust of combustion gases outside the home. The R75SLI, with a maximum output of 7.5 GPM, is suited for needs such as multiple showers running simultaneously, making it perfect for medium-sized homes.

Moving on to the R94LSI and R98LSI, these models provide even greater capacity and efficiency. The R94LSI offers an impressive 9.4 GPM flow rate, while the R98LSI reaches a peak of 9.8 GPM, supporting larger family requirements and ensuring hot water availability for multiple applications concurrently. Both models incorporate Rinnai’s advanced Circ-Logic technology, which allows users to set schedules for recirculating hot water, minimizing wait time and enhancing convenience.

For commercial applications, the R98LSI-ASME is a specialized model that includes the American Society of Mechanical Engineers (ASME) certification. This makes it suitable for larger facilities, such as restaurants, schools, and other institutions that demand a robust and efficient solution for comprehensive hot water needs.

All these models feature a user-friendly digital controller, enabling easy temperature adjustments and real-time monitoring. Moreover, their compact design means they can be installed in various locations, saving valuable space. The Rinnai tankless water heaters utilize a highly efficient condensing technology, resulting in a lower carbon footprint and reduced energy costs.

With a robust warranty program and the reliability that Rinnai is known for, the R50LSI, R75LSI, R94LSI, R98LSI, and R98LSI-ASME embody the pinnacle of water heating technology. These models not only provide the convenience of on-demand hot water but also contribute to energy conservation, making them an excellent choice for environmentally conscious consumers.