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M-SV-001-EN Rev.E
Introduction
5. Wait at least 20 minutes for the DC bus
capacitors to discharge.
6. Remove the top cover, taking particular care
not to touch ANY components underneath.
7. Using an appropriately rated voltage meter,
check the DC bus bars for DC voltage level. If the
voltage is above 5VDC, wait five minutes and
recheck until voltage is below 5VDC.
• • • DANGER • • •
Removing the top cover will expose you to a high voltage hazard of up to 860VDC. Wait at least 20 minutes to allow the DC
capacitors to discharge and ensure there is no Mains Input voltage present before removing the cover.
Active electronic components are susceptible
to damage when exposed to static electrical
charges. Damage to such components may lead
to outright failure or reduction in service life.
Since the presence of static charges is not always
evident, it is essential that service personnel
follow static control procedures at all times when
handling sensitive electronic components.
This section outlines static control precautions
that must be followed when providing service
support in the field. Service support personnel
should create a safe, static-free environment.
Service personnel must use a commercially
available service kit for handling static-sensitive
devices. The kit typically includes:
•Ground cord assembly
•Alligator clip
•Grounding wrist strap
•Wrist strap tester
If a safe, static control environment cannot be
created for a specific reason, the operator will
ensure that electrostatic discharge (ESD) items
and personnel are at the same electrical potential
as the equipment.
The electronic modules should only be removed
from the ESD protective bag at the last moment,
just before installation when the operator is ready
to do the replacement.
The operator should avoid touching any
components or connectors on the module and
should hold the module by its edge or enclosure,
as applicable.
1.8 Handling Electronic
Static Devices
All parts that are susceptible to damage by ESD
will be marked using the following label. See
Figure 4. Please follow the instructions below to
ensure safety and to protect the parts from ESD
damage.
1.8.1 ESD
Protection/Grounding
Figure 4 - ESD Label
Summary of Contents for Turbocor TT-300
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