Document reference MAMPS-HW/E HARDWARE MANUAL
Edition 18 - March 2022 VM600 machinery protection system (MPS)
14 - 5
Detecting problems in the VM600 MPS rack
MAINTENANCE AND TROUBLESHOOTING
If one of the checks described above reveals that a card may have a problem, you should try
replacing the card in question as described in 14.5.2 Replacing a suspect card. If the
replacement card functions correctly, the original card can be considered defective.
NOTE: In all cases, defective cards should be returned to Meggitt vibro-meter
®
(Meggitt SA) for repair. See 16 Service and support for further information.
14.5.2 Replacing a suspect card
Certain precautions must be observed when replacing suspect cards.
These are described below.
HAZARDOUS VOLTAGES EXIST WITHIN VM600 SYSTEM RACKS (ABE04X).
W
HEN AN RPS6U RACK POWER SUPPLY, ASSOCIATED REAR PANEL OR CARD IS
REMOVED
FROM A VM600 SYSTEM RACK (ABE04X), THE RACK BACKPLANE –
CONTAINING HAZARDOUS VOLTAGES – IS EXPOSED AND THERE IS THE RISK OF
ELECTRIC
SHOCK, AS INDICATED BY THE USE OF THE FOLLOWING WARNING LABEL ON
THE
EQUIPMENT:
S
EE ALSO HAZARDOUS VOLTAGES AND THE RISK OF ELECTRIC SHOCK ON PAGE XVII.
HAZARDOUS TEMPERATURES CAN EXIST WITHIN AND ON VM600 SYSTEM
RACKS
(ABE04X).
D
EPENDING ON THE AMBIENT OPERATING TEMPERATURE, NUMBER OF CARDS AND
POWER
SUPPLIES INSTALLED (AND THEIR CONFIGURATION AND OPERATION), THE
INSTALLATION
AND COOLING (FORCED OR NATURAL VENTILATION), THE TOP OF A
VM600 RACK CAN BECOME HOT AND THERE IS THE RISK OF BURNING HANDLING THE
RACK
, AS INDICATED BY THE USE OF THE FOLLOWING WARNING LABEL ON THE
EQUIPMENT
:
S
EE ALSO HOT SURFACES AND THE RISK OF BURNING ON PAGE XVII.
When handling cards, the necessary precautions should be taken to
prevent damage due to electrostatic discharges.
See Handling precautions for electrostatic sensitive devices on page xviii
for further information.
Before “hot swapping” any card in the rear of a VM600 rack, any associated
processing card in the corresponding slots in the front of the rack must be
disconnected from the rack’s backplane.
See 8.4.2 Subsequent installation of cards ("hot-swapping” capability).
Before inserting a card in the rack, check visually that none of the
connector pins are bent.
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