Instruction Manual

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