5.4.19 Replacing a PAD Power Connector.........................................................................................................................109

5.4.20 Replacing an Aisle LED Light.................................................................................................................................... 114

5.4.21 Replacing the Strip Light of an Atmosphere Light........................................................................................... 116

5.4.22 Replacing an Atmosphere Light Power Supply.................................................................................................. 116

5.4.23 Replacing an eLight Strip Light................................................................................................................................118

5.4.24 Replacing an eLight Actuator................................................................................................................................... 119

5.4.25 Replacing an eLight Power Supply......................................................................................................................... 121

5.4.26 Replacing Cables on the Guide Rail of an Electric Sliding Door.................................................................. 123

5.4.27 Replacing a Smart U Space Manager (Connected to a UIM20A Expansion Module) (BOM Number:

52273314).................................................................................................................................................................................... 124

5.4.28 Replacing a Smart U Space Manager (Connected to a UIM20A Expansion Module) (BOM Number:

52275819).................................................................................................................................................................................... 127

5.5 Common Maintenance Tasks......................................................................................................................................... 128

5.5.1 Operating a Hydraulic Circuit breaker (Inside the Smart rPDU).................................................................... 128

5.5.2 Handling Long-time Hotspot at the Air Inlet of a Cabinet in iCooling Mode........................................... 129

A Acronyms and Abbreviations........................................................................................... 131

Issue 02 (2022-07-30)

Table of Contents