YASKAWA VS-606V7 Series Instruction Manual page 133

Alarm Display
Digital RUN (Green)
Operator ALARM (Red)
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Inverter
Explanation
Status Corrective Actions
BB (External baseblock) Check the external
Baseblock command at multi- circuit (sequence).
function terminal is active.
The inverter output is shut
OFF (motor coasting).
Temporary condition is
cleared when input command
is removed.
EF (Simultaneous FWD/REV Check the external
run commands) circuit (sequence).
When FWD and REV run
commands are
simultaneously input for over
500ms, the inverter stops
according to parameter n005.
STP (Operator function stop)
Open FWD/REV
STOP command of control
RESET is pressed during
circuit terminals.
running by the control circuit
terminals FWD/REV
Check the external
command, or by the run circuit (sequence).
command from
communications. The inverter
stops according to parameter
n005.
Warning STP (Emergency stop)
Inverter receives emergency
Fault contacts stop alarm signal. Inverter
stops according to parameter
do not change
state. n005.
FAN (Cooling fan fault) Check the following:
Cooling fan is locked. • Cooling fan
• Cooling fan wiring is
not connected.
CE (MEMOBUS) Check the
communications fault communication devices
or communication
signals.
FBL (PID feedback loss Check the mechanical
detection) system and correct the
PID feedback value drops cause, or increase the
below the detection level. value of n137.
When PID feedback loss is
detected, the inverter
operates according to the
n136 setting.
Option card communications Check the
fault. communication devices
Communication fault has or communication
occurred in a mode that run signals.
command and frequency
reference are set from the
communication option card.
Causes and