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Operation

Operating Manual PNOZ m B0

1002660-EN-07

7.2.3 Unit diagnostics on the LC display

Procedure for showing error messages on the LC display, when the errors do not lead to a

safe condition:

} Use the rotary knob to display stored errors:

Output

faulty

* If an error leads to a safe condition, the error message appears on the display immedi-

ately. Once the cause has been rectified, you will need to restart the unit

Procedure for restarting the unit:

} Press the rotary knob for between 3 and 8 seconds to reset the unit.

Error messages Error

FAULTY PROJECT Chip card contains a project which is faulty

or incompatible.

CHIP CARD ? Chip card is not inserted, blank or unread-

able

FAULTY TEST PULSE Error caused by test pulses

PARTIALLY OPERATED Function element was or is partially oper-

ated

FEED BACK LOOP Exernal error at the feedback loop inputs

OPERATING MODE SWITCH SELECTOR Error on the operating mode selector switch

function element

FAULTY OUTPUT External error on the output

OUTPUT WITH ADVANCED FAULT DE-

TECTION

External error on the output with advanced

fault detection

LOAD SUPPLY Error in the supply voltage for the semicon-

ductor outputs

FAULTY DEVICE Internal error on the base unit

SUPPLY LOW Supply voltage is below the tolerance level

SUPPLY HIGH Supply voltage exceeds the tolerance level

CONFIGURATION Hardware registry does not match the con-

figuration

TEMPERATURE Operating temperature is outside the permit-

ted range

ERROR Error that cannot be assigned

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