How to correct communication lost problems, Constant unable to communicate problem, Intermittent unable to communicate problem – APC Network Management Card none User Manual

Page 66: Rqvwdqw 8qdeoh wr &rppxqlfdwh 3ureohp, Qwhuplwwhqw 8qdeoh wr &rppxqlfdwh 3ureohp, Troubleshooting

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Network Management Card User’s Guide

59

Troubleshooting

How to Correct Communication Lost Problems

Overview

PowerChute plus may constantly or frequently report an Unable to
Communicate with

UPS

condition when PowerChute plus and the

Management Card have been installed together on a

UPS

.

Constant Unable
to Communicate
Problem

1. Ensure that the cable between the computer and the

UPS

(or the

expansion chassis) is securely connected at both ends.

2. Ensure that the

UPS

(or the expansion chassis) serial port is

connected to the same computer port used to connect the computer
to the

UPS

when PowerChute plus was installed.

3. If

Step 1

or

Step 2

did not find the problem, reset the Management

Card.

4. If the problem persists, disconnect (or remove) the Management

Card and restart PowerChute plus. If the problem persists, go to

Step 5

, and if the problem clears, go to

Step 6

.

5. If the problem persisted, see your PowerChute plus documentation

to remove and then reinstall PowerChute plus. If the problem
continues, see

APC Global Support on page 61

for information

about how to contact APC for technical support.

6. If problem cleared, reinstall the Management Card. If the problem

returns, see

APC Global Support on page 61

for information about

how to contact APC for technical support.

Intermittent
Unable to
Communicate
Problem

1. To eliminate an interrupt request (

IRQ

) conflict, the most likely cause

of the problem, disconnect (or remove) the Management Card from
the

UPS

and restart PowerChute plus. If the problem persists, go to

Step 2

, and if the problem clears, go to

Step 3

.

2. If the problem persisted, see your PowerChute plus documentation

to remove, and then reinstall, PowerChute plus. If the problem
continues, see

APC Global Support on page 61

for information

about how to contact APC for technical support.

3. If the problem cleared, stop PowerChute plus.

4. Use an ASCII text editor to edit the

[ups]

section of the

PowerChute plus initialization file (pwrchute.ini or powerchute.ini,
depending on the PowerChute plus operating system):

- Add a

TimeoutFactor=40

parameter to the file.

- Change the

UpsPollInterval

value to

=6

(default value is

4

).

5. Reconnect (or reinstall) the Management Card and restart

PowerChute plus. If the problem continues, see

APC Global

Support on page 61

for information about how to contact APC for

technical support.

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