Error Messages - Rinnai RHFE-431WTA Owner's Operation And Installation Manual

The Energysaver 431 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 inquiring about service.
CODE DISPLAYED
11
12
14
16
31
32
33
34
53
61
70
71
72
73
99
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.

ERROR MESSAGES

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
Faulty Flame Rod
Communication Error
Flue block
– 40 –
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(104°F).
Service call.
Service call.
Service call.
Service call.
Service call.
Service call.
Service call.
Turn heater OFF,
then ON again.
Check around flue terminal