Nut upsuser - Nov 2007 - somme trouble with ups mge pulsar M2200 and mandriva 2007 with nu t 2.2

hello,
I tested all config with my ups and psp

all seems to be OK

now, I had change ups name and user name in ups.conf, upsd.users,
upsmon.conf etc etc ...

but I have quickly these events in my syslog without doing anyting 

what can I do ?
Nov 15 11:09:22 mezenc upsmon[3865]: Poll UPS [pm2200 at localhost] failed -
Data stale


thanks a lot for your help

Sabine GOUDARD
Ecole Nationale Suprieure d'Architecture de St Etienne
Service Informatique
7 rue Etienne Dolet
42000 Saint-Etienne
mailto:sabine.goudard at st-etienne.archi.fr