Mitsubishi Electric 800 Series Instruction Manual page 36

NOTE
• Maximum possible position shift amount = (Encoder pulse number  (Maximum count of the multi-turn counter / 2) -
1)
Example) Encoder pulse number = 8192, multi-turn counter count = 4096
Maximum possible position shift amount = 16777215
(3) Warning
Output is not shut off when a protective function is activated.
Operation panel
indication
Name
Description
Check point
Corrective action
36
POSITION CONTROL FUNCTION
LHP
Multi-turn count excess
Appears when the home position data is lost due to overflow of the multi-turn counter.
Check if the amount of shift from the home position to one direction exceeds the maximum possible position
shift amount.
• Check the operation range.
• Perform the home position return again.
FR-LU08
―
indication