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Fault clearance
9. Fault clearance
To allow an accurate diagnosis in case of malfunction, the unit is equipped with
a fault display system. The faults are shown on the basic display of the unit in
form of an error code:
1 =
Display 1
0---°C =
Sensor F3 Heat supplier 1 (z.B. collector1,
solid fuel boiler1) is interrupted
1---°C =
Sensor F1 heat storage tank 1 has short
circuit
Use + / - to switch to
:
2 =
Display 2
1---°C =
Sensor F4 Heat supplier 2 (z.B.
collector2, solid fuel boiler2) has short
circuit
0---°C =
Sensor F2 (option) heat storage tank 2 is
interrupted
Fault overview:
Fault code
Cause
Repair
0---
1---
Fault
Display text not visible
Tank sensor interruption
Short circuit on tank sensor
Cause
No power, defective fuse in unit
Check cable and plug connection;
repair if necessary
Replace tank sensor
Repair
Check cable and plug connection;
repair if necessary; replace fuse
