48
Matters to be confirmed before reporting of failure
When the boiler is not operated and numbers flicker on the liquid crystal display of temperature controller,
check the following matters. (Check the left two digits among four digits displayed on the liquid crystal display.)
Self-diagnostic
indication
Status of
use
Details
Measures
• Turn off the hot water faucet and press hot water power button on
temperature controller to restart the boiler.
• If no hot water faucet is turned on, there is possibility of water leak
in hot water pipe. Request the installer for inspection and repair.
• Check "password" and network connection again
• Check security setting (Set WPA, WPA2 only)
• When repeating the same symptoms, please contact our service center.
• Check the type of boiler in use.
• Complete the registration wifi remote controller within 10 minutes.
• Check whether water is supplied properly.
• Check frost in heating or water supply pipe.
• If initial air drain is not sufficiently done, remove and reconnect
power to repeat trial run.
• If there is no problem, remove and reconnect the power cord
and turn the boiler on.
• Check whether valve in each room is open.
(At least 1 valve must be open.)
• Open the manual air drain corks installed on top of distributor in
each room to drain air out of heating pipe.
• Clean the heating filter. (Refer to page 18)
• Check hot water or direct water valves for unnecessary opening
and water leak.
• Hot water icon flickers when hot water is continuously used for
1 hour or longer.
•
Clean the heating filter. (Refer to page 18)
• Check whether the intermediate gas valve is open.
Turn heating off and restart it.
• Check whether gas supply pressure is normal.
(Turn another gas device on.)
• Request inspection of the gas supplier.
• Turn off with heating or hot water power button and restart.
• If the same symptom recurs, contact our service center for service.
•
Turn off with heating or hot water power button and restart.
•
If the same symptom recurs, contact our service center for service.
Hot water used for
8 hours or longer
Direct water or hot
water is used for
1 hour or longer
Heating filter
blocked
No ignition
Accidental fire
Problem in safety
circuit, temperature
fuse or overheat
prevention device
Abnormal water
circulation
Overheat detection
Abnormal heating
thermistor
Abnormal low
temperature
thermistor
07
11
12
14
15
16
31
32
Hot water
Hot water
Heating
Heating,
hot water
Heating,
hot water
• Immediately call the technical support service of Rinnai.
Incorrect
adjustment of the
PCB microswitches.
20
Heating,
hot water
Heating,
hot water
Heating,
hot water
Heating,
hot water
Heating,
hot water
Heating,
hot water
Reset function error.
02
Fail 1
Fail 2
User
registration
of Remote
controller
Fail 3
Fail 4
Heating,
hot water
Password, Network
connection, Wrong
setting of Securit
Wi-Fi Module fails
(Trouble)
Defects for boiler
Elapsed time more
than 10minutes under
registation mode
icon flickers
icon
flickers
• Temporarily (up to 30 minutes) stop using the boiler and press
heating or hot water power button.
• If the same symptom is repeated, contact our service center to
request service.
