Mitsubishi Electric FR-F820-00046 Instruction Manual page 574

Operation panel
indication
Name Continuous operation during communication fault
Appears when the operation continues while an error is occurring in the communication line or communication
Description
option (when Pr.502 = "4").
• Check for a break in the communication cable.
Check point
• Check for communication option faults.
• Check the connection of communication cable.
Corrective action
• Replace the communication option.
Operation panel
indication
Name Emergency drive in operation
Description Appears during emergency drive operation.
Check point • Emergency drive operation is performed by turning ON the X84 signal.
Corrective action • The display is cleared when the emergency drive operation ends. (Refer to
Operation panel
indication
Name Load fault warning
Appears when the load is deviated from the detection width set in Pr.1488 Upper limit warning detection width
Description
or Pr.1489 Lower limit warning detection width.
• Check if too much load is applied to the equipment, or if the load is too light.
Check point
• Check that the load characteristics settings are correct.
• Inspect the equipment.
Corrective action
• Set the load characteristics (Pr.1481 to Pr.1487) correctly.
 Alarm
Output is not shut off when a protective function is activated. The Alarm (LF) signal can be output depending on the parameter
setting. (Set "98" in Pr.190 to Pr.196 (Output terminal function selection). Refer to
Operation panel
indication
Name Fan alarm
For the inverter that contains a cooling fan, FN appears on the operation panel when the cooling fan stops due
Description
to a fault, low rotation speed, or different operation from the setting of Pr.244 Cooling fan operation selection.
Check point Check the cooling fan for a failure.
Corrective action The fan may be faulty. Contact your sales representative.
Operation panel
indication
Name Internal fan alarm (IP55 compatible models only)
Description FN2 appears on the operation panel when the internal air circulation fan stops due to a fault or low rotation speed.
Check point Check the internal air circulation fan for a failure.
Corrective action The fan may be faulty. Contact your sales representative.
CF
ED
LDF
FN
FN2
FR-LU08 indication CF
FR-LU08 indication ED
page
FR-LU08 indication LDF
page 312.)
FR-LU08 indication FN
FR-LU08 indication FN2
6. PROTECTIVE FUNCTIONS
6.5 Causes and corrective actions
263.)
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