Atlantic 024200, Installation And Commissioning Instructions

Page: 66 / 80

Hydraulic module: Boiler regulator faults (LMS) visible on the digital display.
Error codes Type of anomaly Probable causes Action
20 Error on the boiler
sensor
Shutdown of the
appliance
Restart when the
problem disappears
Boiler sensor in
short-circuit
- Check the sensor cabling
- Replace the sensor
Boiler sensor
disconnected or cut
26 Error on the
common start sensor
Appliance continues to
operate
Common start sensor in
short-circuit
- Check the sensor cabling
- Replace the sensor
Common start sensor
disconnected or cut
28 Error on the smoke
sensor
Appliance continues to
operate
Smoke sensor in short-circuit - Check the sensor cabling
- Replace the sensor
Smoke sensor
disconnected or cut
40 Error on the boiler
return sensor
Shutdown of the
appliance
Restart when the
problem disappears
Boiler return sensor in
short-circuit
- Check the sensor cabling
- Replace the sensor
Boiler return sensor
disconnected or cut
78 Error on the
hydraulic pressure
sensor
Reset necessary Pressure sensor in
short-circuit
- Check the sensor cabling
- Replace the sensor
Pressure sensor
disconnected
(open circuit)
110 Overheating safety
function activated
Shutdown of the
appliance
Restart when the
problem disappears
X18a contact open - Check the presence of the shunt
connector
117 Water pressure too
high
Appliance continues to
operate
Water pressure too high
or false contact
- Adjust the heating network's water
pressure
- Check the sensor cabling
118 Water pressure too
low
Appliance continues to
operate
Water pressure <0.8 bars
or false contact
119 Min water pressure
safety function
activated
Shutdown of the
appliance
Restart when the
problem disappears
Water pressure <0.5 bars
or false contact
128 Flame goes out
during operation
Reset necessary The ionisation current is
low
- Check the ionisation electrode
- Check the gas supply pressure
- Check the combustion
- Make sure that the boiler's burnt gas
circuit is leakproof
129 Poor air supply Shutdown of the
appliance
Restart when the
problem disappears
The fan speed is not
adapted to the operation
-Check the fan cabling
-Check the fan
130 Smoke temperature
too high
Shutdown of the
appliance
Restart when the
problem disappears
- Check the gas exchanger
- Check the smoke sensor
133 Flame does not
appear after the
safety time expires
Reset necessary - Check the electrodes
- Check the gas supply
-Check the 230 V line
160 Fan speed not
adapted
Shutdown of the
appliance
Restart when the
problem disappears
The fan speed is not
adapted to the operation
- Check the fan speed regulation cable
-Check the fan
- Check the smoke evacuation pipe
-Check the air intake pipe
Installation and commissioning instructions "1485 - EN"
Heat pump alféa hybrid duo gas
- 66 -