Rinnai 15 ES_FDT_OIM
CARE AND MAINTENANCE
TROUBLE SHOOTING CHECKLIST
Use the following chart to help determine whether a service call is required, however if you are unsure about the
way your heater is operating, contact Rinnai or your local agent.
ERROR CODES
The Energysaver Range of heaters has the ability to monitor its own
operation continuously. If a fault occurs, an Error Message will flash on
the Digital Display on the control panel.
This assists with diagnosing the fault, and may enable you to
overcome a problem without a service call.
Please quote the code displayed when inquiring about service.
Fault Condition
Probable Cause
No Power ON/
Combustion Indicator
Burners fail to ignite
Unusual Combustion
Combustion stops
during operation
Smell of gas
Noisy Ignition
Possible Remedy
Not plugged in Plug in power cord and press On/Off button.
Mains power failure Re-start manually after power is restored.
(Initial Install) Air in gas pipe Installer to purge air from gas supply.
Gas filter obstructed Service call (contact Rinnai).
Mis-Ignition Check the Operation Instructions.
Flue terminal obstructed Clear the obstruction.
Flue manifold disconnected DO NOT use heater, Service call (contact Rinnai).
Louvre obstructed Clear the obstruction.
Air filter blocked. Clean filter page 13
Gas escape
Turn OFF gas supply at the meter / cylinder,
Service call (contact Rinnai).
Gas turned off at meter / cylinder Turn gas supply on at the meter / cylinder.
Child / function lock set Cancel Child / function lock page 11
In all cases, you may be able to clear the Error Message simply by turning the heater ‘OFF’, then
‘ON’ again.
If the Error Message still remains or returns on the next operation, contact Rinnai or your nearest
service agent and arrange for a service call.
Code Probable Cause Suggested Remedy
11 Ignition failure
Check gas supply is turned on, turn the heater ‘OFF’ and then ‘ON’ again.
If the error persists a service call will be required.
12 Flame failure Check gas supply is turned on.
14 Filter blockage / overheat Clean filter(s). If the error persists a service call will be required.
16 Room overheat Lower room temperature to less than 40°C.
30 Overheat temperature sensor faulty A service call will be required.
31 - 32 Room temperature sensor faulty A service call will be required.
33 - 35 Overheat temperature sensor faulty A service call will be required.
53 Spark sensor faulty A service call will be required.
61 Combustion fan faulty A service call will be required.
62 Convection fan faulty A service call will be required.
70 Faulty ‘ON/OFF’ switch A service call will be required.
71 Faulty solenoids A service call will be required.
72 Flame detection circuit fault A service call will be required.
73 Communication error A service call will be required.
81 Faulty solenoids A service call will be required.
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