Rinnai V53i Manuel D'installation Et D'utilisation page 14

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Error Code Table
Code
Fault
14
Thermal Fuse
16
Over Temperature
Warning
31
Burner Sensor Error
32
Outgoing Water
Temperature Sensor
Fault
33
Heat Exchanger
Outgoing Temperature
Sensor Fault
34
Combustion Air
Temperature Sensor
Fault
52
Modulating Solenoid
Valve Signal Abnormal
61
Combustion Fan Failure
65
Water Flow Control Fault
71
Solenoid Valve Circuit
Fault
72
Flame Sensing Device
Fault
73
Burner Sensor Circuit
Error
LC
Scale Build-up in Heat
Exchanger (when
checking maintenance
code history, "00" is
substituted for "LC")
No
Nothing happens when
code
water flow is activated.
14
Remedy
Check gas type of unit and ensure it matches gas type being used.
Check for restrictions in air flow around unit and vent terminal.
Check for low water flow in a circulating system causing short-cycling.
Ensure dip switches are set to the proper position.
Check for foreign materials in combustion chamber and/or exhaust piping.
Check heat exchanger for cracks and/or separations.
Check heat exchanger surface for hot spots which indicate blockage due to scale build-up.
Refer to instructions in manual for flushing heat exchanger.
Measure resistance of safety circuit.
Ensure high fire and low fire manifold pressure is correct.
Check for improper conversion of product.
Check for restrictions in air flow around unit and vent terminal.
Check for low water flow in a circulating system causing short-cycling.
Check for foreign materials in combustion chamber and/or exhaust piping.
Check for clogged heat exchanger.
Measure resistance of sensor.
Replace sensor.
Check sensor wiring for damage.
Measure resistance of sensor.
Clean sensor of scale build-up.
Replace sensor.
Check sensor wiring for damage.
Measure resistance of sensor.
Clean sensor of scale build-up.
Replace sensor.
Check for restrictions in air flow around unit and vent terminal.
Check sensor wiring for damage.
Measure resistance of sensor.
Clean sensor of scale build-up.
Ensure fan blade is tight on motor shaft and is in good condition.
Replace sensor.
Check modulating gas solenoid valve wiring harness for loose or damaged terminals.
Measure resistance of valve coil.
Ensure fan will turn freely.
Check wiring harness to motor for damaged and/or loose connections.
Measure resistance of motor winding.
The water flow control valve has failed to close during the bath fill function. Immediately turn
off the water and discontinue the bath fill function. Contact a state qualified or licensed
contractor to service the appliance.
Replace the PC Board.
Ensure flame rod is touching flame when unit fires.
Check all wiring to flame rod for damage.
Remove flame rod and check for carbon build-up; clean with sand paper.
Check inside burner chamber for any foreign material blocking flame at flame rod.
Measure micro amp output of sensor circuit with flame present.
Replace flame rod.
Check sensor wiring and PC board for damage.
Replace sensor.
Flush heat exchanger. Refer to instructions in manual.
Replace heat exchanger.
NOTE: The LC code is the only error code that will allow the unit to keep running. The
display will alternate between the LC code and the temperature setting. The controller will
continue to beep. The LC code will reset if power is turned off and then on.
Clean inlet water supply filter.
On new installations ensure hot and cold water lines are not reversed.
Check for bleed over. Isolate unit from building by turning off cold water line to building.
Isolate the circulating system if present. Open your pressure relief valve; if water is
flowing, there is bleed over in your plumbing.
Ensure you have at least the minimum flow rate required to fire unit.
Ensure turbine spins freely.
Measure the resistance of the water flow control sensor.
Check for DC shorts at components.
V53i & V53e Operation and Installation Manual

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V53e

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