Mitsubishi Electric FR-PU04 Instruction Manual page 70

4) M.Curr.High
(Inverter output current is larger than normal)
First, the running frequency, output current and
INV.Output
60.00Hz
output voltage of the inverter are displayed.
10A 182.4V
Press
<SHIFT>
large output current.
Low Impedance
The motor in use may be a special motor other
Motor?
than the general-purpose 3-phase induction
Reduce TrqBst
motor. If so, reduce the torque boost setting.
Pr.0,46,112
Related parameters: Pr. 0, 46, 112
Low Trq
The motor in use may be a constant-torque motor
Motor?
(motor for inverter). If so, reduce the torque boost
Reduce TrqBst
setting. Related parameters: Pr. 0, 46, 112
Pr.0,46,112
REMARKS
<When the fault could not be identified>
When the cause of the fault is not specified even after performing the operation mentioned
above, the current running frequency, output current and output voltage at the point are
displayed on the screen.
Press to display the estimated cause related.
to display the estimated cause of
Operation Procedures for the Help Menu
Trq. Bst
Since the torque boost setting may be
Setting Err?
inappropriate, check the following relevant
See Pr. 0, 46,
parameters: Related parameters: Pr. 0, 46, 112
112
V/F Setting
Since the V/F pattern setting may be
Error?
inappropriate, check the following relevant
See Pr. 3, 14,
parameters: Related parameters: Pr. 3, 14, 19,
19, 47, 113
47, 113
The load may be too heavy. An open phase may
Load Too Big?
have occurred between the inverter and motor.
OutPut
Phase Loss?
3
INV.Output
60.00Hz
0.00A 182.8V
<SHIFT>
62