9.4.10.1 Removing a phase module
9.4.10.2 Installing a phase module
9.4.12.1 Cleaning the drive cabinet
Checking wire and cable connections
Checking and replacing filter mats
Testing and replacing auxiliary fan units
9.4.15.1 Testing auxiliary fan units
9.4.15.2 Replacing auxiliary fan units
Testing and replacing air-to-air heat exchangers
9.4.16.1 Testing the fan units
9.4.16.2 Replacing the complete heat exchanger
9.4.16.3 Replacing the circuit board
9.4.16.4 Replacing internal fan 1 - left side
9.4.16.5 Replacing internal fan 2 - right side
9.4.16.6 Replacing the ambient fans
Replacing the fan unit in an EXU with a DCS880
H4/DCT880 T4 unit
Replacing the fan unit in an EXU with a DCS880 H6
unit