Rinnai RHFE-557FT Manual page 20

The Energysaver 557 has the ability to check its own operation continuously. If a fault occurs, an Error
Message will flash on the Digital Display of 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 enquiring about service.
FAULT
Ignition failure
Flame failure
Overheat
Room overheat
Room Temperature
Sensor faulty
Overheat temperature
Sensor faulty
Sparker failure
Combustion fan failure
Faulty ON/OFF switch
Faulty solenoids
Faultly Flame Rod
Communication Error
Power failure
REMEDY
Check gas is turned ON.
Service call if repeated.
Check gas is turned ON.
Service call if repeated.
Clean filter
Service call if repeated.
Lower room temperature
to less than 40°C.
Service call
Service call
Service call
Service call
Service call
Service call
Service call
Turn heater OFF,
then ON again.
Turn heater OFF,
then ON again.
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.
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