Error displays and corrective actions, Error displays and corrective actions -4 – KEYENCE LV-N10 Series User Manual

Page 98

6-1 Troubleshooting

App

endi

6-4

- Digital Laser Sensor LV-N10 Series User's Manual -

* "ErE" display may remain if the LV-N10 Series is damaged.

For errors other than those listed above, contact your nearest KEYENCE office.

Error Displays and Corrective Actions

Error

display

Cause

Solution

ErC

Overcurrent in the control output.

• Check the load and return the current within the

rated range.

• Check that the output wire is not contacting any

other wire or frame.

ErH

Head cable is broken, or sensor head
is not connected.

• Check that sensor head is connected.
• Check whether head cable is not broken.
• Check the head cable connection to the connec-

tor.

• After checking, turn the power OFF and ON.

ErE

Failed to write/load the internal data.

• Turn the power OFF and ON. If the data is not

recovered, initialize the settings.*

Loc

Key lock function is valid, or if using
M8 connector type, the power mode
was changed in the MEGA mode fixed
state.

• Disable the key lock.

If the key lock cannot be disabled, it may be
locked with a password, or locked by the NU
Series communication unit.

• Check that the sensor amplifier is locked in

MEGA mode.

The DTM
indicator
flashes.

Correction error in DATUM1 or
DATUM 2 mode.

• Check that the received light intensity has not

dropped.

• Adjust the DATUM warning output level.
• Ensure that the received light intensity value is

50 or more.