Rinnai 18
Split AC OM
SAVE A SERVICE CALL
SYMPTOM
CAUSE
Water flowing noise.
This is the sound of refrigerant flowing inside the indoor unit and
is normal�
Mist emanating form the indoor unit�
Condensation effect that can occur during cooling operations and
is normal�
No display on remote control�
Possible flat batteries, replace the batteries with two fresh 1.5V
(AAA) batteries, if after changing batteries the remote control still
does not work contact Rinnai.
Remote control does not operate the
indoor unit�
Check for interference or obstructions that may be blocking the
remote control signals, if interference or obstructions are not
responsible then contact Rinnai�
The air conditioner stops running�
Check power supply or contact Rinnai.
If a power failure has occurred. Turn off the air conditioner when a
power failure occurs. When the power is restored, wait 3 minutes,
and then turn on the air conditioner�
Check the air conditioner has not been turned off automatically by
a programmed off timer. Press the power button on the remote
control�
The air conditioner does not generate
cool / hot air�
Air is not circulating properly. Make sure that there are no curtains,
blinds or furniture blocking the front of the air conditioner.
The air filter is dirty. Clean the air filter once every 2 weeks. See
“Cleaning Air Filter” for more information.
The room temperature is too high. In summer, it may take some
time to cool indoor air. In this case, select the turbo cool operation
to cool indoor air quickly.
The desired temperature is higher than the set temperature� Set the
desired temperature to a level lower than the current temperature.
There is a heating source nearby� Avoid using a heat generator
such as an electric oven or a gas burner while the air conditioner
is in operation
The FAN ONLY mode of operation is selected. In this mode, air
blows from the air conditioner without cooling or heating the indoor
air. Switch the operation mode to the cooling, heating or auto.
It is not possible to adjust the fan
speed�
In some operation modes, such as the turbo or dehumidifying
operation modes, you cannot adjust the fan speed� Select an
operation mode in which you can adjust the fan speed.
It is not possible to adjust the
temperature�
In some operation modes, such as the auto, fan only or dehumidifying
modes, you can not adjust the temperature� Select an operation
mode in which you can adjust the temperature.
WHEN TO CALL FOR SERVICE
SYMPTOM
CAUSE
There is a burning smell and a strange
sound coming from the unit�
Water leaks from the indoor unit even
when the humidity level is low.
When operated if a circuit breaker
(safety, ground) is thrown or a fuse is
blown.
Turn off the air conditioner, and contact Rinnai.
CARE & MAINTENANCE
