Maintenance; Repair Work; Faults; Error Messages - Burkert 0911 Instructions De Service

7

MAINTENANCE

When operated in accordance with the instruction in this handbook, the 0911
controller is maintenance-free.
8

REPAIR WORK

8.1

Faults

ERROR MESSAGES

Message
PFo
PFc
HA
LA
EAL
BAL
STATUS OF THE ALARM RELAY
Device status
Device without power
Normal operation
Alarm situation during
operation
Cause
Sensor defective or not
connected
Sensor short-circuit
High temperature alarm
Low temperature alarm
Digital input alarm
Serious digital alarm
AS = CL
5 - 6 closed
5 - 6 closed
5 - 6 open
Effect
Alarm relay ON; control circuit
according to So1
Alarm relay ON; control circuit
according to So1
Alarm relay ON; outputs remain
unchanged
Alarm relay ON; Outputs remain
unchanged
Outputs remain unchanged
All control outputs deactivated
AS = OP
5 - 6 closed
5 - 6 open
5 - 6 closed
0911 - 21