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model 2000 DeviceNet Module Manual (DN611/DN611A)
Appendix A Maintenance and Inspection
A
Caution
1. Be sure to turn power off before connecting or disconnecting the module, terminal block, or
cables. Failing to do so can cause electric shock, malfunction, and/or failure.
2. Exercise due care in measuring the voltages at the module connectors during inspection.
This is important to avoid the possibility of electric shock
3. Before replacing the module, be sure to stop the network's operation and turn off S controller
power and network power. Failure to observe this can cause electric shock, malfunction,
and/or failure.
Warning
1. Never disassemble or modify the module hardware, nor modify the software.
Failure to observe this can cause a fire, electric shock, and/or injuries due to failure and mal-
function.
Caution
1. If your DN611 does not operate normally, identify the cause of the trouble, referring to Chap-
ter 7 Troubleshooting.
If it should fail, contact your nearest TOSHIBA office, or dealer, or service shop, and send
your DN611 back for repairs.
Operation and safety of your DN611 cannot be guaranteed unless it is repaired by TOSHIBA
or a TOSHIBA authorized service shop.
2. Don't use your DN611 if it produces smoke or foul odor or is in abnormal condition. Failure to
do so could cause a fire, electric shock, and/or failure.
If you find it in abnormal condition, turn off all the power supplies immediately and contact
your nearest TOSHIBA office, dealer, or authorized service agency.
Never modify or repair the DN611 yourself. It is very dangerous.
Caution
1. Daily check, periodic check, and cleaning are essential to keeping the system in normal con-
dition.