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Appendix
Fault code (20-digit*)
1
2
3
4
E1
8
E1
1
E1
2
E1
4
E1
8
* Blank spaces are shown in the display with the value 0
Control process fault
Fault code (20-digit*)
1–4
5
6
7
E7
E0
E5
E5
E5
1
E0
2
E7
4
E5
8
E5
1
E3
2
E7
4
8
E7
1
2
E3
4
E5
8
* Blank spaces are shown in the display with the value 0
Inverter fault
Fault code (20-digit*)
1–4
5–8
9
E3
E3
E6
E6
E6
E6
E6
E3
E6
E6
E3
E3
E3
1
E6
2
E6
4
E1
8
* Blank spaces are shown in the display with the value 0
24
5–8
9–12
13–16
17–20
8
9–12
13–16
17–20
1
2
4
8
10
11
12
13–16
17–20
1
2
4
8
1
2
4
8
1
2
4
8
Installation and maintenance instructions ecoPOWER 3.0 /2, ecoPOWER 4.7 /2 0020241403_02
Description
Too many motor electronic system communication faults
Safety chain
Flue gas counter pressure
Coolant temperature > 110 °C
Flue gas temperature > 116 °C
Description
Temperature sensor for the product's return
Back-up boiler temperature sensor
Gas pressure too low during operation
Motor false start
Power start false start
MODBUS
CHP system temperature sensor
Enable motor electronic system
Switch off motor
Coupling time exceeded
Motor compartment temperature > 100 °C
Reserve
Inverter locked
Reserve
Inverter communication
Motor electronics communication
Description
Direct current link voltage too low
Direct current link voltage too high
Network frequency too high
Network frequency too low
Network voltage too high
Network voltage too low
Network synchronisation
Inverter power
IGBT temperature too high
Power module
Low speed
Overspeed
Control process communication
Average network voltage too high
Self-test
No rotating field for mains voltage
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