Burkert Type TAT002 Manual do Utilizador descarregar pdf (Página 21)

0911 - 19

english

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 4 - 6 closed 4 - 6 closed

Normal operation 4 - 6 closed 4 - 6 open

Alarm situation during

operation

4 - 6 open 4 - 6 closed

ACKNOWEDGING ERRORS VIA THE KEYBOARD

Press any button.

The Alarm message remains on the display as long as the alarm conditions

are present. The device then switches to normal operation.

AUTOMATIC ACKNOWLEDGEMENT OF THE ERROR

• Message

PFo and PFc -

Room sensor error

After approx. 30 seconds or once the error has been cleared, the

message will be acknowledged automatically. Check the connections

before any replacement of the sensor.

• Messages

HA/LA -

High/Low temperature alarm

After a few seconds or once the error has been cleared, the message will

be acknowledged automatically.

• External alarms

EAL

and

BAL

are acknowledged after deactivation of the

digital input.

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