Omron VARISPEED E7 User Manual page 280

Display
External fault input from Com-
munications Option Card
EF0
(F6-03=1 to 2)
External Fault
External fault at terminal S3
EF3
Ext Fault S3
External fault at terminal S4
EF4
Ext Fault S4
External fault at terminal S5
EF5
Ext Fault S5
External fault at terminal S6
EF6
Ext Fault S6
External fault at terminal S7
EF7
Ext Fault S7
Digital Operator Connection
Fault
Detected when the Digital Opera-
OPR
tor is removed and if o2-06 = 1.
Oper Disconnect
MEMOBUS Communication
Fault
Detected when control data was
not received correctly for 2 sec-
onds and H5-04=0 to 3 and H5-
CE
05=1.
Memobus Com Err
Option Communication Fault
After initial communication was
established, the connection was
BUS
lost.
Option Com Err
Digital Operator Communication
Fault 1
Communication with the Digital
Operator could not be established
within 5 seconds after the power
CPF00
was supplied to the Inverter.
COM-
ERR(OP&INV)
CPU External RAM Fault
Digital Operator Communication
Fault 2
After communication with the
Digital Operator was established
CPF01
the communication stopped for 2
COM-
seconds or more.
ERR(OP&INV)
Table 7.1 Fault Detection
Meaning Probable Causes
An external fault condition was
present, input from a communica-
tion option card.
An "external fault" was input
from a multi-function input ter-
minal (S3 to S7).
The Digital Operator has been
disconnected from the Inverter.
Connection is broken and/or the
master has stopped the communi-
cation.
Connection is broken and/or the
master as stopped the communi-
cation.
• The Digital Operator's cable
was not securely connected.
• Digital Operator is defective.
• Control board is defective
• The Digital Operator's cable
was not securely connected.
• Digital Operator is defective.
• Control board is defective
Protective and Diagnostic Functions
Corrective Actions
• Check for an external fault
condition
• Verify the parameters
• Verify communication sig-
nals
Remove the cause of the
external fault.
• Check the connection to the
Digital Operator.
• Check the connections and
all user-side software con-
figurations.
• Check the connections and
al user-side software con-
figurations.
• Disconnect the Digital
Operator and then connect it
again.
• Replace the Inverter.
• Cycle the Inverter power
supply.
• Replace the Inverter.
• Disconnect the Digital
Operator and then connect it
again.
• Replace the Inverter.
• Cycle the Inverter power
supply.
• Replace the Inverter.
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