10.4.7 Emergency release of a door safety switch 240
10.4.7.1 Location of safety switches 240
10.4.7.2 Safety-switch settings 241
10.4.7.3 Unlocking a safety switch 241
10.4.8 Connecting a grounding set 242
10.4.8.1 Drives with LSU 243
10.4.8.2 Drives with ARU 244
10.4.9 Drives with the manual output isolation (optional) 244
10.4.9.1 Removing the busbar connectors 247
10.4.9.2 Fitting the busbar connectors 251
10.4.10 Removing and installing a phase module 253
10.4.10.1 Removing a phase module 253
10.4.10.2 Installing a phase module 255
10.4.11 Visual checks on the drive 256
10.4.12 Cleaning 256
10.4.12.1 Cleaning the drive cabinet 256
10.4.13 Checking wire and cable connections 257
10.4.14 Checking and replacing filter mats 257
10.4.15 Testing and replacing auxiliary fan units 259
10.4.15.1 Testing auxiliary fan units 259
10.4.15.2 Replacing auxiliary fan units 260
10.4.16 Testing and replacing air-to-air heat exchangers 261
10.4.16.1 Testing the fan units 262
10.4.16.2 Replacing the complete heat exchanger 263
10.4.16.3 Replacing the circuit board 263
10.4.16.4 Replacing internal fan 1 - left side 265
10.4.16.5 Replacing internal fan 2 - right side 266
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