Rinnai Zen I24 User And Installation Manual page 24

Error Function
Fail 1
'Rinnai
Boiler NZ '
Fail 2
App
installation:
Fail 3
registration of
WiFi remote
control
Fail 4
02 CH & DHW
07 DHW
11 CH & DHW
12 CH & DHW
14 CH & DHW
15 CH & DHW
16 CH & DHW
18 CH & DHW
19 CH & DHW
20 CH & DHW
23 CH & DHW
31 CH & DHW
32 CH & DHW
34 DHW
35 CH
36 CH & DHW
Possible cause
Password, internet
connection, wrong security
settings
WiFi module failure
Compatibility problems
Time-out exceeded for the
registration (10 min.)
Error in reset function
Continue use of domestic
hot water (>8h)
Burner flame not detected
Unusual extinguishing of
the burner
Overheating, safety
circuit's failure
Problem of water
circulation in the hydraulic
system (water pressure)
Overheating CH
Earth not detected
High temperature of
exhaust
Wrong setting of the
microswitches on PCB
Earthquake alarm
CH flow temperature
thermistor failure
External temperature
thermistor failure
(external sensor)
Hot water thermistor failure
Room thermostat failure
(Rinnai remote control)
Antifrost prevention/
thermistor failure
Suggestion
- Verify the password and the internet connection;
- Verify the safety protocol: select WPA or WPA2.
- Restart the system; if the problem persists please contact
a Rinnai technical assistance centre.
- Verify the compatibility with the model of boiler in use.
- Complete the registration of the WiFi command in 10
min.
Press the button CH (or DHW) twice, to deactivate and re-
activate the function
- Stop the domestic hot use and press the button DHW to
reactivate the function;
- If no one is using hot water, you could have a leak
in your pipework: call a technician.
- Verify that the gas safety valve is open;
- Press the button CH twice to deactivate the heating
function and to re-activate it.
- Verify the gas supply (turn on other gas utilities);
- Contact the your local registered installer or CHNZ.
- Turn off the boiler for at least 30 minutes; press the
button CH or DHW. If the code remains, please contact
immediately the Rinnai technical assistance service.
- Check the boiler's hydraulic feeding (water pressure);
- Check that the plumbing pipe are not frozen ;
- Verify the presence of air in the hydraulic circuit:
disconnect the electric cable and reactivate the boiler (the
de-aerating function will be repeated).
- Verify that at least a thermostatic valve is open;
- Vent the air in the heating circuit;
- Clean return line filter of CH.
- Contact CHNZ
- Contact CHNZ
- Contact CHNZ
- Press button CH (or DHW) twice to deactivate and
activate the function : if the code reappears call the Rinnai
technical assistance service
- Press the button CH (or DHW) twice to deactivate and
activate the function: if the code reappears call the Rinnai
technical assistance service.
- Press the button DHW twice to deactivate and activate
the function: if the code reappears call the Rinnai technical
assistance service.
- Contact CHNZ
- Press the button DHW twice to deactivate and activate
the function: if the code reappears call the Rinnai technical
assistance center.
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