Omron VARISPEED V7 User Manual

8 Fault Diagnosis
201
Flashing
Detected as
an alarm
only. Fault
contact out-
put is not
activated.
BB (External Baseblock)
Baseblock Command at
multi-function terminal is ON
and the Inverter output is
OFF (motor coasting). Condi-
tion is cleared when input
command is removed.
Check the following:
• NO/NC contact selection
(constant).
• Wiring is made properly.
• Signal is not input from
the PLC.
Flashing
EF (Simultaneous FWD/
REV Run Commands)
When FWD and REV Run
Commands are simulta-
neously input for over 500
ms, the Inverter stops accord-
ing to constant n005.
Check the following:
• NO/NC contact selection
(constant).
• Wiring is made properly.
• Signal is not input from
the PLC.
Flashing
STP (Operator function
stop)
was pressed during
running via a control circuit
terminal FWD/REV Run
Command, or by a Run Com-
mand from communications.
The Inverter stops according
to constant n005.
STP (Emergency stop)
Inverter received emergency
stop alarm signal. Inverter
stops according to constant
n005.
• Turn OFF FWD/REV Run
Command of control cir-
cuit terminals.
Check the following:
• NO/NC contact selection
(constant).
• Wiring is made properly.
• Signal is not input from
the PLC.
Flashing
FAN (Cooling fan fault)
Cooling fan is locked.
Check the following:
• Cooling fan
• Cooling fan connection
• Foreign matter is not
interrupting rotation.
• Fan is mounted correctly.
• Relay connector is con-
nected properly after
replacement of the fan.
Alarm Display Inverter
Status
Description Causes and
Corrective Actions
Digital
Operator
RUN (Green)
ALARM (Red)
or

Omron VARISPEED V7 Specifications

General

Brand	Omron
Model	VARISPEED V7
Category	Inverter
Language	English