Immergas MAIOR EOLO 24 4 E, Technical Documentation Manual

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STMaE4E and 07/11 MAIOR EOLO 4 E
Technical Documentation Technical Documentation
Apply voltage to the boiler.
The display lights up.
Press the general button (
) to
make sure that the boiler is not in
OFF mode.
No See section A
Yes
The error 05 appears on the display Yes See error section 05
The error 06 appears on the display Yes See error section 06
The error 10 appears on the display Yes
See error section 10
The error 15 appears on the display Yes See error section 15
The error 24 appears on the display Yes See error section 24
The error 37 appears on the display Yes See error section 37
No
Before every intervention:
Check that the gas, water and electricity are correctly connected
to the boiler, according to that indicated in the data plate and
the instruction manual.
Also make sure that:
- the gas valve and boiler parameters are correctly adjusted;
- all devices outside the boiler function and are appropriately
adjusted;
- the external and internal fuses are integral.
Before maintenance interventions or replacement of
components, remove the electric power supply upstream from
the appliance.
For correct use of the troubleshooting table, on intervention it
is recommended to press the Reset button, switch the boiler off
and remove voltage from the appliance for at least 5 seconds.
This is to allow the boiler to start a new ignition cycle.
Ignition cycle
CENTRAL HEATING MODE
Press the general button ( ) and then press .
Turn the CH selector to maximum.
The boiler pump
starts.
No
Check the presence of the TA jumper on clamps
40-41 of the P.C.B.
N.B.: the jumper must not be present when
external devices are installed such as TA, remote
control, clock programmer, etc.
Check the effective request from any external
devices (TA/remote control/programmer
clock). See error section 31.
No
See section B
Yes
The 3-way valve
goes into the CH
position.
No
See section C
Yes
The pump starts.
No The error 02 appears on the display See error section 02 - a
No The error 11 appears on the display See error section 11
No The error 03 appears on the display See error section 03 - a
Yes
The error 20 appears on the display Yes
See error section 20
The error 03 appears on the display Yes See error section 03 - b
No
The ignition electrode discharges. No
The error 01 appears on the display
(wait for the P.C.B. to make 2 ignition cycles).
See error section 01 - a
Yes
Troubleshooting
DOMESTIC HOT WATER MODE
Press the general button ( ) and then press .
Turn the DHW selector switch to maximum and open the cock.
The ( ) symbol is
displayed
No
See section F
Yes
The pump starts.
No
See section B
Yes
The 3-way valve
goes into the DHW
position.
No
See section C