Product data
Power (2104 Model TU3)
Step 1. Verify with the customer that all operations between the 2104 and the using
system have been stopped.
Step 2. Refer to Figure 25.
Step 3. At the back of the 2104, set the DC On/Standby switch 1 of each
fan-and-power-supply assembly to Standby.
Notes:
a. Some 2104s have a fan-and-power-supply assembly and a fan assembly.
The fan assembly has no DC On/Standby switch.
b. A fan-and-power-supply assembly might have its CHK light on although its
DC On/Standby switch is set to On.
Step 4. Remove the power cables 2 from the electrical power outlet and from the
back of the 2104.
Step 5. To return power to the 2104:
a. Reinstall the power cables 2.
Figure 25. Removing Power from a 2104 Model TU3
Chapter 3. Removal and Replacement Procedures 73