Technical data

56
MCR 24, 24/28 MI, 30/35 MI, 34/39 MI 08/06/06-300008460-001-B
Alarm
code
Description Probable causes Checks/Solution
E8 Faulty fan
The fan does not work
- Check that the fan is working correctly
- Check the fan wiring
The fan does not stop or the
number of rotations displayed is
incorrect
- Check that the fan is working correctly
- Check the fan wiring
- Chimney draw must reach the prescribed values
E10
No water
circulation during
a fan cycle
The water level and/or pressure
are too low
Check the water pressure in the installation
Carry out a visual check for the presence of any water leaks
No circulation
Check that the boiler circulating pump is working. Insert a screwdriver into the slot in
the pump spindle and turn the spindle several times to the right and left. Check the
wiring. If the pump still does not work, it is faulty and must be changed.
Too much air When the pump is switched off, vent the system
Bad pump wiring Check the electrical connections
E11
Air box
temperature too
high
Air leakage from heat exchanger
- Check the gasket on the inspection flange
- Check the leak proof seal (Front plate)
- Check that the front door is correctly fitted
- Checking the ignition electrode
E13
Fuse protection on
the thermal fuse is
activated
Replace the
thermal fuse
Thermal fuse faulty Check the wiring
The water level and/or pressure
are too low
Check the water pressure in the installation
Carry out a visual check for the presence of any water leaks
No circulation
Check that the boiler circulating pump is working. Insert a screwdriver into the slot in
the pump spindle and turn the spindle several times to the right and left. Check the
wiring. If the pump still does not work, it is faulty and must be changed.
E43 Parameter limits Automation parameters
Modify parameters
If there is a problem, contact your fitter, specifying the alarm code
E44 Parameter checks Automation parameters
Modify parameters
If there is a problem, contact your fitter, specifying the alarm code
E45 Factory setting Automation parameters Replace the control panel if it is faulty