Mitsubishi HD-5000A Instruction Manual download pdf (Page 245)

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11. TROUBLESHOOTING

Display Name Definition Cause Action

1. Noise entered the encoder. Take noise suppression

measures.

bsolute position encoder

pulses faulty.

2. Encoder faulty. Change servo motor.

AL.E3

bsolute position

counter warning

The multi-revolution

counter value of the

absolute position encoder

exceeded the maximum

revolution range.

3. The movement amount from the home

position exceeded a 32767 rotation or

37268 rotation in succession.

Make home position setting

again.

AL.E6 Servo forced stop

warning

EMG-SG are open. External forced stop was made valid.

(EMG-SG opened.)

Ensure safety and deactivate

forced stop.

AL.E9 Main circuit off

warning

Servo was switched on

with main circuit power

off.

Switch on main circuit power.

11.3 MR-DP60 external digital display error

When MR-DP60 external digital display detects an error, the following alarms are displayed. The alarms

are displayed only on the MR-DP60, but not on the servo amplifier display.

Display Name Definition Cause Action

AL. CPU CPU error CPU error Faulty parts in the MR-D60. Exchange the MR-D60.

AL. C0 1. CN3 connector disconnected. Connect correctly.

Communication

error

Communication error

occurred between MR-DP60

and MR-J2S-CL.

2. Wire breakage of the cable. Repair or exchange the cable.

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Mitsubishi HD-5000A Instruction Manual Page 245

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