Troubleshooting - Rinnai infinity 32 Operation Manual

The hot water unit has the ability to check its own operation continuously. If a fault occurs,
an Error Code will flash on the Digital Monitor if you have Temperature 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. (Refer to
Warranty page for Warranty Conditions.)
Code
Displayed
- Noticeable reduction in water flow
03 Power interruption during Bath fill
(water will not flow on power
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
33 Heat Exchanger Outlet Sensor Faulty
52 Gas Modulating Valve Faulty
61 Combustion Fan Failure
65 Water Flow Control Faulty
(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 or your nearest service
agent for advice.
** Faults caused by insufficient gas/water supply or gas/water quality and installation errors are not covered by the manufacturerÕs w arranty.
Troubleshooting Without Controllers
If you have no Temperature Controllers and experience the following symptoms, please carry out
the suggestions below. If the symptom continues, please contact Rinnai for advice.
Fault
The unit does not
attempt to start at all.
The unit starts then
shuts down
immediately.
The unit starts then the
water goes cold
** Faults caused by insufficient gas/water supply or gas/water quality and installation errors are not covered by the manufacturerÕs w arranty.

TROUBLESHOOTING

Fault
reinstatement)
Faulty
Check the power is on at the unit.
Check the cold water valve at the unit is on.
Check the power is still on.
Check the gas valve at the unit and the gas meter is fully open.**
Open your hot water tap fully.
Check the power is still on.
Open your hot water tap further or try another tap.
(Your unit has a minimum flow of 3L/min. required to operate the unit.)
- 28 -
Remedy
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.
Check that nothing is
obstructing flue outlet.
Turn on gas supply to water heater.*
Service Call
Service Call
Service Call
Service Call
Service Call
Service Call
Service Call
Service Call
Service Call
Remedy