5.4.12 Replacing a Water Sensor ...................................................................................................................................... 98

5.4.13 Replacing an Alarm Beacon................................................................................................................................. 100

5.4.14 Replacing a Rack Environment Unit ................................................................................................................... 101

5.4.15 Replacing an AC Actuator ................................................................................................................................... 102

5.4.16 Replacing a Skylight Actuator ............................................................................................................................. 104

5.4.17 Replacing a Skylight Magnetic Lock ................................................................................................................... 105

5.4.18 Replacing a Pad ................................................................................................................................................... 106

5.4.19 Replacing a Pad Power Connector ....................................................................................................................... 106

5.4.20 Replacing an Aisle LED Light ............................................................................................................................. 111

5.4.21 Replacing the Strip Light of an Atmosphere Light .............................................................................................. 113

5.4.22 Replacing the Power Supply of an Atmosphere Light ......................................................................................... 114

5.4.23 Replacing an eLight Strip Light ........................................................................................................................... 115

5.4.24 Replacing an eLight Actuator .............................................................................................................................. 117

5.4.25 Replacing an eLight Power Supply ...................................................................................................................... 118

5.4.26 Replacing a Smart U Space Manager .................................................................................................................. 119

5.5 Common Maintenance Tasks .................................................................................................................................... 120

5.5.1 Operating a Hydraulic Circuit breaker (Inside the Smart rPDU) ........................................................................... 120

5.5.2 Handling Long-time Hotspot at the Air Inlet of a Cabinet in iCooling Mode ....................................................... 121

6 Acronyms and Abbreviations ................................................................................................. 123

Issue 04 (2020-01-03)

Contents

Table of Contents