Mitsubishi Electric 800 Series Instruction Manual page 575

Abbreviation
Name
Description
Check point
Corrective action
Abbreviation
Name
Description
Check point
Corrective action
Abbreviation
Name
Description
Check point
Corrective action
Abbreviation
Name
Description
Check point
Corrective action
Abbreviation
Name
Description
Check point
Corrective action
Abbreviation
Name
Description
Check point
Corrective action
Abbreviation
Name
Description
Check point
Corrective action
574
6. PROTECTIVE FUNCTIONS
6.4 Causes and corrective actions
PS
PU stop
• The motor is stopped using
under the mode other than the PU operation mode, set Pr.75 Reset selection/disconnected PU
detection/PU stop selection. Refer to
• Check for a stop made by pressing
• Turn the start signal OFF and release with
CP
Parameter copy
Appears when parameter copy is performed between inverters FR-F860-00680 or lower, FR-F860-01080 or
higher
Resetting of Pr.9, Pr.30, Pr.51, Pr.56, Pr.57, Pr.72, Pr.80, Pr.82, Pr.90 to Pr.94, Pr.453, Pr.455, Pr.458 to
Pr.462, Pr.557, Pr.859, Pr.860 and Pr.893 is necessary.
Set the initial value in Pr.989 Parameter copy alarm release.
SA
SA
Appears when the shorting wire across the terminals S1 and PC or the terminals S2 and PC is disconnected.
Check if the shorting wire across the terminals S1 and PC or the terminals S2 and PC is disconnected.
Short across the terminals S1 and PC and the terminals S2 and PC with shortening wires.
MT1 to MT3
Maintenance signal output 1 to 3
Appears when the inverter's cumulative energization time reaches or exceeds the parameter set value. Set
the time until the MT is displayed using Pr.504 Maintenance timer 1 warning output set time (MT1), Pr.687
Maintenance timer 2 warning output set time (MT2), and Pr.689 Maintenance timer 3 warning output set
time (MT3).
MT does not appear when the settings of Pr.504, Pr.687, and Pr.689 are initial values (9999).
The set time of maintenance timer has been exceeded. (Refer to
Take appropriate countermeasures according to the purpose of the maintenance timer setting.
Setting "0" in Pr.503 Maintenance timer 1, Pr.686 Maintenance timer 2, and Pr.688 Maintenance timer 3
clears the indication.
UF
USB host error
Appears when an excessive current flows into the USB A connector.
Check if a USB device other than a USB memory device is connected to the USB A connector.
• If a device other than a USB memory device is connected to the USB A connector, remove the device.
• Setting Pr.1049 USB host reset = "1" or inverter reset clears the UF indication.
CF
Continuous operation during communication fault
Appears when the operation continues while an error is occurring in the communication line or communication
option (when Pr.502 = "4").
• Check for a break in the communication cable.
• Check for communication option faults.
• Check the connection of communication cable.
• Replace the communication option.
ED
Emergency drive in operation
Appears during emergency drive operation.
• Emergency drive operation is performed by turning ON X84 signal.
• The display is cleared when the emergency drive operation ends. (Refer to
FR-LU08 PS
FR-PU07
under the mode other than the PU operation mode. (To enable
page 162 for details.)
of the operation panel.
.
FR-LU08 CP
FR-PU07
FR-LU08 SA
FR-PU07
FR-LU08 MT1 to MT3
FR-PU07
page
FR-LU08 UF
FR-PU07
FR-LU08 CF
FR-PU07
FR-LU08 ED
FR-PU07
186.)
page 245.)