Mitsubishi Electric FR-PU04 Instruction Manual page 68

Troubleshooting guidance
1) M.NOT RUNNING (Motor does not run)
M.NOT RUNNING
The protective function is
ALARM
activated to bring the inverter
Indicated
to trip.
<SHIFT>
Press
cause of the trip.
M.NOT RUNNING
The inverter's main circuit power
NO I/P Power
has decreased or a phase in the
or Phase Loss
power supply is lost. Check the
power supply.
M.NOT RUNNING
Both start signals STF and
STF, STR
STR are ON or OFF.
both are OFF
or ON
M.NOT RUNNING
MRS signal is ON.
MRS is ON
M.NOT RUNNING
The inverter starting
SetF<StartF
frequency (Pr. 13 ) setting is
Pr. 13
higher than the frequency
currently set.
M.NOT RUNNING
The current input select
AU is OFF
signal AU remains OFF.
(not ON)
M.NOT RUNNING
Max. F1<StartF
Pr. 1
to display the
M.NOT RUNNING
EnableFR Set
See Pr. 78
M.NOT RUNNING
Current Limit
Activated
<SHIFT>
M.NOT RUNNING
Under
PID Control
M.NOT RUNNING
CS is OFF
See Pr. 57
M.NOT RUNNING
NO Command
From PU
Operation Procedures for the Help Menu
The inverter cannot start because
the inverter starting frequency
Pr. 13
(Pr. 13 ) is higher than the
maximum frequency (Pr. 1 ).
The inverter cannot start because you
attempted to run the motor in the
direction in which forward or reverse
rotation is inhibited as set in Pr. 78.
The inverter cannot start since the current
limit function is activated. Press
display the estimated cause that the
current limit function was activated.
The inverter does not start because the
inverter need not start the motor as a
result of the arithmetic operation of PID
control.
The inverter will not restart since the automatic restart after
instantaneous power failure select signal CS is OFF. It is estimated
that an instantaneous power failure has occurred or the inverter in
the commercial power supply switch-over operation mode.
Neither of and
pressed in the PU operation
mode.
to
are
3
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