5
Signal words
The signal words “danger,” “warning” and
“caution” used in this manual indicate the
degree of hazard that may be encountered by
the user. These words are defined as:
Danger - Indicates an imminently hazardous
situation that, if not avoided,
will result in
death or serious injury.
Warning - Indicates a potentially hazardous
situation that, if not avoided,
could result in
death or serious injury.
Caution - Indicates a potentially hazardous
situation that, if not avoided,
may result in
minor or moderate injury.
Notice - Indicates a potentially hazardous
situation that, if not avoided,
may result in
property damage.
Hazardous procedures
In addition to other procedures described in
this manual as dangerous, user personnel
must adhere to the following:
1. Always work only on de-energized
equipment. Always de-energize the
equipment before performing any tests,
maintenance or repair. The equipment
should be isolated, grounded and have all
control power removed before performing
any tests, maintenance or repair.
2. Always perform maintenance on the
control cabinet only after the capacitors
are discharged (see page 13).
3. Check to be certain the indicator flag is
green, indicating that the switch unit is in
the open position (see Figure 7).
4. Always let an interlock device or safety
mechanism perform its function without
forcing or defeating the device.
Field service operation and warranty
issues
Siemens can provide competent, well-trained
field service representatives to provide
technical guidance and advisory assistance
for the installation, overhaul, repair and
maintenance of Siemens equipment,
processes and systems. Contact regional
service centers, sales offices or the factory for
details, or telephone Siemens field service at
+1 (800) 347-6659 or +1 (919) 365-2200
outside the U.S.
For medium voltage customer service issues,
contact Siemens at +1 (800) 347-6659 or +1
(919) 365-2200 outside the U.S.
Hazardous voltages.
Will cause death, serious injury and property damage.
Do not contact energized conductors.
De-energize and ground high voltage conductors before working on or
near them.
Summary of Contents for SDR 15.5
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