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Chapter 4 Maintenance 43
ECM3 Series Outdoor Power System User Manual
2. Use a cross screwdriver to loosen all fixing screws of the air conditioner from the inside cabinet door, as shown in
空调接线端子
空调
空调固定螺钉
Air conditioner
Fixing screw of air conditioner
Connection terminal of air conditioner
Figure 4-7 Replacement of 1500W air conditioner
3. Remove the air conditioner cover from the outside of cabinet door, and then take off the air conditioner from the
inside of cabinet door.
4. Install a new air conditioner and fix it with screws.
5. Restore all cable connections of the air conditioner, and switch on the thermal control AC output MCB of power
subrack.
4.2.5 Replacing LED Lamp
The LED lamp is at the top inner side of the cabinet, as shown in Figure 4-8. The LED lamp needs no extra
maintenance; just replace it if it is damaged. After you open the cabinet door, if the DC 48V power supply is normal
but the LED lamp is off, the LED lamp may have been damaged and should be replaced. The replacement is simple:
Loosen the two fixing screws of the LED lamp, remove the mechanical part that fix the LED and then change the
damaged LED with new one.