We have a Dell PowerConnect 8132 that we enabled NPM hardware monitoring on several months ago when we first purchased the switch.
Since then, we occasionally get six different hardware monitors alerting at the same time:

If I click the 'network device' (Fan 6, System, Secondary, Main, or Fan 5), this happens:

Anyone else seen this?
We've been using Solarwinds for years and we've had no problems out of the default hardware sensor alerts for any hardware except this one switch.
Thanks!