Table of Contents
Advertisement
6. Troubleshooting
Code Messages
M04
REVISION
M05
REVISION A
M06
REVISION B
M07
REVISION C
M20
DISGAS
FL.DRY.B XX
DAYS
FL.DRY.C XX
DAYS
FL.DRY.B+C XX
DAYS
CHANGE OUTSI.S The outside temperature sensor
M23
STOP N XX
6.3
Faults (Code type Lxx or Dxx)
0
2
4
6
8
E
1
TEMP. : 68°
2
1
D
2
PCU. COM. FAIL. D27
bar
#
F
% $
AUTO
J
0
2
4
6
8
10
12
E
1
TEMP. : 68°
2
1
D
2
PCU COM.FAIL D27
bar
F
#
!
% $
AUTO
J
I
STD
33
Description
A service is required
An A, B or C service is required
A boiler vent cycle is underway
Floor drying is active
XX DAYS = Number of days' floor
drying remaining.
is defective.
The shutdown is active
XX = Number of the active
shutdown
10
12
14
16
18
20
22
24
SUNDAY 11:45
!
:
<
STD
C002604-B-04
14
16
18
20
22
24
SUNDAY 11:45
:
<
C002302-D-04
Checking / solution
The date programmed for the service has been reached
If the symbol ? flashes, press key ?. The installer's contact
4
details are displayed.
Contact the professional who takes care of maintenance of
4
the appliance
The date programmed for the service has been reached
If the symbol ? flashes, press key ?. The installer's contact
4
details are displayed.
Contact the professional who takes care of maintenance of
4
the appliance
Switching the boiler on
Wait 3 minutes
4
Floor drying is underway. Heating on the circuits not concerned
is shut down.
Contact the professional who takes care of maintenance of
4
the appliance
Change the outside radio temperature sensor.
A shutdown is underway. The circuits selected for this stop are
in Antifreeze mode during the period chosen.
In the event of operational failure, the control panel flashes and
displays an error message and a corresponding code.
1. Make a note of the code displayed.
The code is important for the correct and rapid diagnosis of the
type of failure and for any technical assistance that may be
needed.
2. Press the t key. If the code is displayed again, switch off the boiler
and then switch it back on.
3. Press the ? key. Follow the instructions displayed to solve the
problem.
4. Consult the meaning of the codes in the table below:
MCA 15 - MCA 25 MCA 25/28 MI
23/08/2011 - 300024159-001-B
Advertisement
Table of Contents
