1-48 CHAPTER 1: GETTING STARTED
Troubleshooting
WARNING: There are no user serviceable components inside the case of the unit.
CAUTION: Read the section ‘Important Safety information’, at the start of this manual.
The AccessBuilder 500 is fully performance tested after assembly. Providing the unit has been correctly installed, and is used in accordance with the instructions contained in this manual, difficulties should not arise. If unit or system maintenance is required, then it must be carried out by a competent network engineer.
In the unlikely event that you experience problems with the unit, the following procedure will enable you to undertake basic troubleshooting before contacting your 3Com reseller.
Malfunction | Remedy |
If you cannot | Verify that your computer is equipped with an available serial |
connect the unit | port and that the correct cables and connectors are being |
to the network or | used. If in doubt contact the unit’s supplier. |
PC. |
|
The POWER LED does not light.
Confirm that:
a)The switched outlet socket of the electrical mains system supply is turned on. The mains lead is correctly plugged into the unit’s power socket.
b)The unit’s on/off switch is toggled to the ON position.
c)The switched outlet socket is ‘live’ by plugging the unit into an alternate socket to see if it functions.
d)The fuse within the plug (if fitted) has not blown and that the plug is in good working order.
e)The unit’s internal fuse has not blown. If the fuse has blown, see “Renewing the Internal Protection Fuse” on page
