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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.
Fault overview:
Fault code
Cause
Repair
11-0
Interruption sensor F1
Check cable and plug connection;
replace if necessary
11-1
Short circuit sensor F1
Replace tank sensor
12-0
Interruption sensor F2
See 11-0
12-1
Short circuit sensor F2
See 11-1
13-0
Interruption sensor F3
See 11-0
13-1
Short circuit sensor F3
See 11-1
14-0
Interruption sensor F4
See 11-0
14-1
Short circuit sensor F4
See 11-1
72-6
Data bus CETA RC no signal
(terminal RC)
Repair malfunction on data bus
to room device CETA RC
73-2
Device bus address collision
(Terminal AB)
Set controls of the same type to
different bus addresses
(parameter 03:03)
73-6, 74-0 to 74-9
Device bus error communication
(Terminal AB)
Check bus connection between
the units
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