Ericsson RX8000 User Manual

Chapter 7 

 

 

If the Summary Status LED is unlit, fault-find the problem as detailed in Table 7.2.  

1 

Check Status LED. Is the 
unit still working? 

If the unit is clearly working 
normally then the Status LED 
itself is probably at fault. Call a 
Service Engineer. 

Proceed to next step. 

2 

Check Power Source. 
Connect a known-working 
piece of equipment to the 
power source outlet. Does it 
work? 

The problem lies within the unit 
or power cable. Proceed to next 
step. 

The problem lies with the power 
source. Check building circuit 
breakers, fuse boxes, etc. If 
problem persists, contact the 
electricity supplier.  

3 

Check Power Cable and 
Fuse. Unplug the power 
connector from the unit and 
try it in another piece of 
equipment. Does it work?  

The problem lies within the unit. 
Proceed to next step. 

The problem lies with either the 
cable itself, or with the fuse in 
the plug. Replace the fuse or try 
to substitute another cable. 

4 

Check PSU Module(s) and 
Fuse(s). Ensure the power 
connector is unplugged. 
Remove the fuse from the 
rear panel connector and 
inspect it. Has the fuse 
blown? 

Replace the fuse with one of 
the correct type and rating. If 
the PSU still does not work, 
unplug the power cable and call 
a Service Engineer. 

Possible problem with the PSU 
module. Call a Service 
Engineer. 

The unit is fitted with fans, all of which run continuously. The unit contains a 
temperature sensor that will highlight if there is a cooling problem. In the event of 
overheating problems, refer to Table 7.3. 

Note:  Failure to ensure a free air-flow around the unit may cause overheating. 

This condition is detected by a temperature sensor; it may be used to trigger 
an automatic alarm. 

 

EN/LZT 790 0005 R1A

 

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