6
M3LU2 OPERATING MANUAL EM-2653-B Rev.0
Never discompose or remodel the unit.
• Doing so may result in electric shock, malfunc-
tion or injury.
Do not press buttons with a pointed object.
• Doing so may result in malfunction of the unit.
Do not connect or remove the unit while its power
is on.
• Doing so may result in, electric shock, malfunc-
tion or injury.
Do not pull the wires to separate the Euro type
connector terminal blocks from the body.
• Doing so may result in damage of the unit or
injury.
Do not allow fine shavings or wire scraps to enter
the unit in machining screws or wiring.
• Doing so may result in malfunction of the unit.
Do not use the unit with the cover open.
• Doing so may result in malfunction of the unit.
Do not open the housing cover while the power or
the input is applied.
• Doing so may result in electric shock, malfunc-
tion or injury.
Do not pull the wires connecting to the unit.
• Doing so may result in electric shock, damage
of the unit or injury.
PROHIBITION
TO CONTACT
Do not touch the printed circuit board or the elec-
tronic components in opening the cover.
• Doing so may result in malfunction of the unit.
Do not use the unit in the atmosphere where com-
bustible gas is present.
• Doing so may result in inflammation, ignition or
smoke.
Do not connect other cables to the COMM (con-
figurator jack) port than the dedicated one.
• Doing so may result in malfunction of the unit.
Do not cover the ventilation slits with cables, etc.
• Doing so may result in malfunction or heating.
Use a minus screwdriver and tweezers in setting
the switches.
• Failure to do so may result in malfunction of
the unit.
