Trouble locating and clearing procedures (continued) 1-143
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Replacing a cooling unit assembly in a 42-in. cabinet
CPC A0377580, A0382102, A0383322, A0383323
(end)
At the front of PDC
20
To insert the cooling unit fuses, push the fuse cartridges straight into the front
panel of the PDC.
Go to step 22.
At the front of CPDC
21
Throw the circuit breakers for the cooling unit.
At the front of the cabinet
22
Determine if all cooling unit fans are operating.
Note: If one or more of the cooling unit fans is not operating, the fan failure
lamp turns on. The fan failure lamp is at the top of the cabinet between the
doors.
23
Close the cabinet doors.
Go to step 25.
24
For additional help, contact the next level of support.
25
The procedure is complete.
DANGER
Risk of injury
Electricity can arc when you throw a circuit breaker. Wear
eye protection.
If
Do
all fans are operating
step 23
any fans are not operating
step 24