Trouble locating and clearing procedures (continued) 1-211
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Replacing a fan in a 42-in. cabinet
(continued)
7
DANGER
Risk of injury
Electricity can arc when you throw the breaker. Wear eye
protection.
CAUTION
Possible loss of service
Before you throw the circuit breakers, make sure that you
disconnect power to the cooling unit. If you throw the wrong
breakers, you can disconnect power to a critical hardware
component and cause loss of service.
Filler panel
Distribution shelf for
auxiliary power
(optional/blanking panel)
Frame
supervisory panel
Junction box
for the power cable
Filler panel
Power distribution shelf
(breaker panel
assembly)