Low Power Supply Voltage; Loss Of Ame Signal; Block Due To Loss Of Continuous Ame Signal; Block For Maximum Time, Partial Gas Valve Opening - Immergas MAIOR EOLO 4 E Series Technical Documentation Manual

Technical Documentation
ERROR 37
e boiler power supply voltage exceeds 190 VDC.
37
e electric power supply connection wires and relative external
fuses are integral.
Replace the P.C.B.
ERROR 38
It is displayed every time the P.C.B., with the burner on, loses the ame signal.
If normal conditions are restored, the boiler starts to run correctly again without having to be reset.
If the error re-occurs 6 times in 8.5 minutes, the P.C.B. will display error 43 "Loss of continuous ame block".
38
Make sure that there are no combustion products inside the aspiration pipes, (no CO
ue are all in the correct position so as to avoid the re-circulation of combustion products inside the ue.
Make sure the detection electrode is working correctly.
ERROR 43
is will be displayed if error 38 occurs 6 times in 8.5 minutes.
43
To eliminate the block, the Reset button (5) must be pressed.
See Error 38
ERROR 44
44
If this occurs frequently, replace the P.C.B.
STMaE4E and 07/11
Yes
Yes

Low power supply voltage

No Restore the correct electric power of the appliance (230 VDC ±10%).
No Restore the electric connection/replace the cables/external fuses.

Loss of ame signal

); make sure the terminals, the joints and gasket seals for the
2

Block due to loss of continuous ame signal

Block for maximum time, partial gas valve opening

48
Technical Documentation
MAIOR EOLO 4 E