User`s manual

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Chapter 6 Troubleshooting
This chapter provides useful information to help you resolve difficulties that you may
experience with your Server. Fault symptoms, possible causes, and remedial actions are
provided within a quick reference table. This Server’s USB ports only support MFPs,
printers, scanners, and USB mass storage.
6.1 LED Indicators
Indicators
Behavior
Description
Power
On
Power On
Off
Power off/System error
WLAN
On
Wireless connection connected
Off
No Wireless connection to network or
wireless isn’t being used
LAN
On
Network connected
Off
No physical connection to network or
wired connection isn’t being used
USB 1-4
On
USB device connected
Blinking
Connected USB device error
Off
No physical connection to USB device
6.2 Firewall
If firewall software has been installed on your PC, it may block the communication
between the PC and the HMPS2U so that the HMPS2U cannot work properly. To solve this
problem, either disable the firewall or configure the firewall to allow the following TCP
and UDP ports:
7303, 7305, 20005, 30201, 30202, 30203