21
appliance protection devices
Appliance shut-off conditions
The appliance is protected from malfunctions by means
of internal checks performed by the electronic P.C.B.,
which stops the appliance from operating if necessary.
Switch off the appliance. Shut off the gas valve, remove
the batteries and contact a qualifi ed technician.
The red LED shows the error codes.
OFF
Led
Jumper
WARNING!!
Never tamper with or decommission the fl ue gas
sensor. This could affect the proper operation of
the appliance.
Poor draught conditions could cause exhaust gas
backfl ow into the installation room.
Hazard of carbon monoxide intoxication.
WARNING!!
Water with a temperature higher than 50°
cause serious burns.
Always verify water temperature before use.
WARNING!!
DO NOT USE THE APPLIANCE WITHOUT
WATER.
Red
L.E.D.
Description Checks to make
Fixed Battery exhausted Replace battery
Single
fl ash
The appliance
does not turn on
1. Check that
the water fl ow
sensor is properly
connected
2. Check/Replace the
battery
Double
fl ash
No fl ame
detected
1. Check the gas
cock.
2. Check the position
of the detection
electrode
Three
fl ashes
Gas valve
defective
Check if the gas
diaphram is not
obstructed or locked
Four
fl ashes
Overheat
1. Check for
a possible
obstruction of the
fl ue
2. Check the water
pressure (too low)
Five
fl ashes
Temperature
probe
defective
1. Check the cable
of the temperature
probe
2. Check the water
pressure (too low)
rorre gnisirammus elbaT
Temporary Shut-Off due to defective fl ue gas
discharge
This device causes the applaince to shut down in the
event of an anomaly in the fl ue gas discharge.
The appliance shutdown is temporary.
After 12 minutes, the aplliance begins the ignition
procedure; if normal conditions have been restored, the
appliance operates as normal. If not, it shuts down and
the cycle is repeated.
WARNING
In the event of a malfunction or if repeated intervention
is required:
- switch the appliace off,
- close the gas valve,
- remove the batteries,
- contact the Technical Assistance Service or a qualifi ed
technician in order to repair the fl ue gas discharge
fault once the cause of the malfunction is detected.
Whenever maintenance work is performed on the
device, use original spare parts only and follow the
relative instructions carefully.
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