Always
O
n UPS Systems
M1306_GES-242NX-R Operators and Install Manual V1.0 2012-06-12
4
THIS SAFETY NOTICE IS ADDRESSED TO THE ALWAYS
O
N
CUSTOMER ENGINEERS WHO PERFORM MAINTENANCE OF THE
UNINTERRUPTIBLE POWER SUPPLY (UPS) SYSTEMS.
Electrical Safety
•
Maintenance work to be preformed by factory trained customer engineers, or qualified
personnel. Extremely dangerous voltage levels can exist within the DC UPS system.
Extreme caution must be used.
•
Ensure system is in maintenance DC UPS mode or external wrap-around DC UPS
mode before work is started.
•
This manual is designed as an aid tool in diagnosing problems that may arise. Always
O
n does not assume responsibility if information causes injuries.
•
Apart from the front door, do not open any other part of the DC UPS without consulting
the factory first. Before removing the protection screens, be sure that the unit is
completely powered off.
•
Be aware that dangerous voltage can be supplied by the internal battery or electrolytic
capacitors.
•
When system is in DC UPS mode and all fuses have been opened dangerous voltages
may exist within the DC UPS system. Use extreme caution when exchanging boards
and working inside the unit.
READ AND FOLLOW ALL SAFETY INSTRUCTIONS.
SAVE THESE INSTRUCTIONS.
