Care & Maintenance; Error Codes; Normal Operational Characteristics - Rinnai LS Series Operation Manual

ERROR CODES

The LS series heaters have self diagnostic electronics that monitor the appliance during start up and operation.
Should a fault occur the heater will shut down. The fault that has caused a shut down will be indicated with an error
code, via the Wi-Fi app on your smart device.
Code Possible Cause
Mains power failure
00
Ignition failure
11
Incomplete combustion
12
Overheat safety device
14
Room overheat
16
Room temperature sensor faulty
31
Overheat temp. 1 sensor faulty
32
Overheat temp. 2 sensor faulty
33
Spark sensor faulty
53
Combustion fan motor faulty
61
Solenoids faulty
71
Flame detection circuit fault
72
Communication error
73
Comm's error between main PCB
90
and Wi-Fi module
Comm's error between Smart
91
device and Wi-Fi module

NORMAL OPERATIONAL CHARACTERISTICS

During the initial burning in period some smoke and smell may be experienced, this condition may last for a couple
of hours, however this is a normal part of the burning in process.
When using the heater for the first time, or after a long period of non use the ignition may not occur the first time it
is operated due to air in the gas pipes. If ignition does not occur the unit will switch off automatically. Try operating
the heater again if this occurs, if this continues however then contact Rinnai for advice.
The appliance is fitted with an overheat safety switch which will shut off the appliance. If the appliance shuts off
repeatedly servicing may be required, contact Rinnai for advice.
The heater may make noises after ignition or switching off. This is due to the expansion and contraction of the
internal components and is normal.
As a safety precaution the heater will not ignite if the Standby / ON button is pressed straight after the heater has
been turned off. It will take approximately 20 seconds before the unit will switch back on again.
Rinnai
CARE & MAINTENANCE
Suggested Solution
Reset the heater, press the Standby / ON button on the control
panel, remote control, or app twice, to turn the fire back on.
Check that the gas supply is turned on. Turn the heater OFF then
ON again. If the problem continues a service call will be required.
As above.
Filter may be blocked - service call.
Lower room temperature to below 40 °C.
Service call.
Service call.
Service call.
Service call.
Service call.
Service call.
Service call.
Service call.
Reset Wi-Fi module see "Resetting Wi-Fi Module" on page 12.
Check your Wi-Fi and Rinnai Wi-Fi module are within range.
Check network settings.
13 RHFE0800_1000_1500 OM