Rinnai WF-100W_EU User Manual page 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
Status of
indication
use
Fail 1
User
Fail 2
registration
of Remote
Fail 3
controller
Fail 4
Heating,
02
hot water
07
Hot water
Hot water
icon flickers
icon
Heating
flickers
Heating,
11
hot water
Heating,
12
hot water
Heating,
14
hot water
Heating,
15
hot water
Heating,
16
hot water
Heating,
20
hot water
Heating,
31
hot water
Heating,
32
hot water
48
Details
Password, Network
• Check "password" and network connection again
connection, Wrong
• Check security setting (Set WPA, WPA2 only)
setting of Securit
Wi-Fi Module fails
• When repeating the same symptoms, please contact our service center.
(Trouble)
• Check the type of boiler in use.
Defects for boiler
Elapsed time more
than 10minutes under
• Complete the registration wifi remote controller within 10 minutes.
registation mode
Reset function error.
• Turn off the hot water faucet and press hot water power button on
temperature controller to restart the boiler.
Hot water used for
8 hours or longer
• 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 hot water or direct water valves for unnecessary opening
Direct water or hot
and water leak.
water is used for
• Hot water icon flickers when hot water is continuously used for
1 hour or longer
1 hour or longer.
Heating filter
• Clean the heating filter. (Refer to page 18)
blocked
• Check whether the intermediate gas valve is open.
No ignition
Turn heating off and restart it.
• Check whether gas supply pressure is normal.
(Turn another gas device on.)
Accidental fire
• Request inspection of the gas supplier.
• Temporarily (up to 30 minutes) stop using the boiler and press
Problem in safety
heating or hot water power button.
circuit, temperature
fuse or overheat
• If the same symptom is repeated, contact our service center to
prevention device
request service.
• Check whether water is supplied properly.
• Check frost in heating or water supply pipe.
Abnormal water • If initial air drain is not sufficiently done, remove and reconnect
circulation
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.)
Overheat detection
• 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)
Incorrect
• Immediately call the technical support service of Rinnai.
adjustment of the
PCB microswitches.
Abnormal heating
• Turn off with heating or hot water power button and restart.
thermistor
• If the same symptom recurs, contact our service center for service.
Abnormal low
• Turn off with heating or hot water power button and restart.
temperature
• If the same symptom recurs, contact our service center for service.
thermistor
Measures