AOP Faults & Warnings
AOP Faults & Warnings
NOTE: If a fault/warning condition occurs on a SED2 VFD(s) to which an AOP connects, a fault/warning code displays with a description of the relevant fault/warning. For a list of fault/warning codes, see the SED2 VFD Operations & Maintenance Manual, Document No.
Fault Indication/Fault Screen
1.If a fault condition occurs on a connected SED2 VFD(s), the AOP provides a fault message with specific information about the fault condition such as:
−Identity of the SED2 VFD with the fault condition
−Fault code number
−Plain text explanation of the fault condition
2.Proceed by doing one of the following:
−Press 
to acknowledge the fault, or
−Press 
to clear the fault and perform a manual restart of the SED2 VFD.
Clearing the fault may depend on the fault condition. It may be necessary to investigate the cause of the fault. Simultaneously press 
and 
to display a
NOTE: The AOP can only clear a fault if Command Source P0700[1]=4 (USS on BOP link or AOP).
Warning Indication/Warning Screen
1.If a warning condition occurs on a connected SED2 VFD(s), the AOP provides a warning message with specific information about the warning condition such as:
−Identity of the VFD with the warning condition
−Warning code number
−Plain text explanation of the warning condition
2.There is no requirement for you to acknowledge a warning message. The message displays as long as the SED2 VFD reports the warning condition.
Simultaneously press 
and 
to display a warning
Siemens Building Technologies | 29 |