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UPSMON User Manual Troubleshooting • 81

Solutions: a. Has an original Novell NetWare aio- or aiocomx-driver been used? Some fax software products (e.g.

Faxware) have their own aio-modules for serial communication which do not correspond with the

NetWare-standard and overwrite the original drivers.

b. Is the port of the system ok? In certain cases the port is unable to support the standard for NetWare-aio and

-aiocomx (especially with ports on board with a 16550 components). Replace the aio- and aiocomx-mo-

dules with up-to-date drivers or try a manual start of the aiocomx-modules with the parameter ”nofifo”

(”load sys:system\aiocomx nofifo”).

c. Is the communication speed for aiocomx too high? Set the UPS on a communication rate of 2400 or 1200

baud, if your UPS supports this, and test it again. If you can’t reduce the communication speed of your

UPS-model set the parameter for aiocomx to maxrate=baud. You can find further information concerning

the parameters in aiocomx help and on the CD in the Drivers directory.

4. Troubleshooting Windows

Problem: Upsagent does not start: "UPS Communications lost".

Answer: This error means that you are using a device name which does not exist. Try another device and check the NT serial

connection settings.

Problem: UPS shutdown contact-closure when NT is booting.

Answer: a. This problem occurs, because of a high signal on the com port when Windows NT searches for serial mouse

hardware.

b. Change the entry in BOOT.INI: multi(0)disk(0)rdisk(0)partition(2)\WINNT="Windows NT Workstation,

Version 4.0" /noserialmice=comx, where x represents the COM port where NT should not search for a

mouse, because the UPS is connected here.

d. Exception: any none MS mouse drivers have to be disabled via the device manager.

5. Troubleshooting UNIX

Problem: When reading the disk an error message appears”can not open file, can not read disk...”

Answer: a. You have entered the name of your disk drive wrong. Please check which driver is installed for the disk in

the directory /dev. The disk should read as ”rawdisk” on most systems.

b. Is the disk being read with the correct command? With the UPSMON software the disk is formatted in the

TAR-format.

c. Is the disk or the disk drive defective? Please try the disk on another Unix system or maybe ask your dealer

for a replacement disk.

d. Is the disk drive mounted?

Problem: How can I shutdown my database i.e. within the ups_exe shell?

Answer: It is sufficient to edit the ups_shut.scr file and write the command of database shutdown.

Problem: Unix problem with HP Netserver LC2.

Answer: Please switch the remote access in the BIOS to ”disabled” otherwise a UPS communication is not possible, because

the same IRQ is used as with the TTY port.

Problem: Upsagent does not start. "communication lost".

Answer: This error occurs only with cable serial setting. Possible Problems: You are using the wrong device, cable, or adapter

between the computer and cable. If you are using an IRIX server you often need a adapter it to connect the computer

to UPS (Mini-DIN to D-SUB 9). With the IRIX serial com port description below you can check if you are using the

correct one.

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Riello-ups PowerShield³ Manual de usuario Pagina 81