Troubleshooting; Error Codes; Service - Rinnai MC502S Operation & Installation Manual

ERROR CODES

Your Rinnai Infinity Continuous Flow water heaters has a self diagnostic capability. If a fault occurs,
an Error Code will flash on the digital monitor of your water controllers. This assists with diagnosing
the fault, and may enable you to overcome a problem without a service call. Please quote the code
displayed when enquiring about service. *Status Monitor available on Infinity 26, HD250, HD250i,
HD200, HD200i and Infinity XR20 Plus and Infinity XR26 Plus models.
CODE
Wireless water controller is 'Out of Range' due
to distance from transceiver or an obstruction.
-
Noticeable reduction in water flow.
Power interruption during Bath fill
03
(Water will not flow on power reinstatement).
10 Air intake or flue blocked.
11 No ignition / No gas supply.
12 Flame Failure / Low gas flow.
14 Remaining Flame Safety Device.
16 Over Temperature Warning.
32 Outgoing Water Temperature Sensor Faulty.
33 Heat Exchanger Outlet Sensor Faulty.
34 Combustion Air Temperature Sensor Faulty.
52 Gas Modulating Valve Faulty.
61 Combustion Fan Failure.
Water Flow Control Faulty
65
(Does not stop flow properly).
71 Micro-processor Failure.
72 Micro-processor Failure.
In all cases, you may be able to clear the Error Code simply by turning the hot water tap OFF, then
ON again. If this does not clear the Error Code, try pushing the On/Off button OFF, then ON again. If
the Error Code still remains, contact Rinnai for advice.
No power display
When power to the water heater is disconnected the LCD of all wireless
water controllers will display as shown. Check that power is available, the
water heater is pluged in and that the power point is turned 'on'.
Faults caused by insufficient gas supply, insufficient water supply, gas quality, water
quality, installation errors or operation errors are not covered by the Rinnai warranty.
NOTE Refer to the Warranty Conditions of your water heater manual for full warranty details.

SERVICE

Wired and wireless controllers, transceivers and water heaters do not contain user serviceable parts
and must only be serviced and repaired by an authorised person.
Rinnai has a Service and Spare Parts network with personnel who are fully trained and equipped to
give the best service on your Rinnai appliance. If your appliance requires service, please call 0800
Rinnai (0800 746 624). Rinnai recommends that this appliance be serviced every 3 years.
Rinnai New Zealand

TROUBLESHOOTING

FAULT REMEDY
Move wireless water controller or transceiver
or remove the obstruction.
Inlet water filter needs to be cleaned. Service call.
Turn off all hot water taps. Press On/Off twice.
Service Call.
Check gas is turned on at water heater and gas meter or cylinder.
Check gas is turned on at water heater
and gas meter or cylinder.
Check there are no obstructions to the flue outlet.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
5 Operation Manual