Diagnostic Mode; Alarm Mode - Mitsubishi Electric MELSERVO-J2 Series Instruction Manual

7. DISPLAY AND OPERATION

7.3 Diagnostic mode

Name
Sequence
Software version Low
Software version High

7.4 Alarm mode

The current alarm, past history and parameter error are displayed. The lower 2 digits on the display
indicate the alarm number that has occurred or the parameter number in error. Display examples are
shown below.
Name
Current alarm
Parameter error No.
Point table error No.
Function at occurrence of an alarm
(1) Any mode screen display the current alarm.
(2) If during alarm occurrence, the other screen can be viewed by pressing the button in the operation
section. At this time, the decimal point in the fourth digit remains flickering.
(3) To clear any alarm, remove its cause and use any of the following methods:
(a) Switch power off, then on.
(b) Press the "SET" button on the present alarm screen.
(c) Turn on the reset (RES). (Refer to Section 11.2.1 for alarms that may be cleared.)
(4) Use parameter No. 18 to clear the alarm history.
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Display
Display
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Description
Not ready.
Indicates that the servo amplifier is being initialized or an
alarm has occurred.
Ready.
Indicates that the servo was switched on after completion of
initialization and the servo amplifier is ready to operate.
Indicates the version of the software.
Indicates the system number of the software.
Description
Indicates no occurrence of an alarm.
Indicates the occurrence of alarm 33 (overvoltage).
Flickers at occurrence of the alarm.
Indicates no occurrence of alarm 37 (parameter error).
Indicates that the data of parameter No.1 is faulty.
Indicates no occurrence of point table error.
Indicates that the data of parameter No.1 is faulty.
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