not black and white. Rather depends how big it is, and how the windings are insulated. on a large machine with possible condensation on internal bare terminls it may be nothing to worry about. If it is supposed to be a small sealed unit, then there is trouble ahead.
Also what would happen if it failed - it may be worth replacing it early rather than waiting if it is mission critical. If no one will care that much, it may be worth letting it run to failure.
Do you have known good one (or indeed results from previous tests last time) to compare - if it is a small change, then not as serious as if it was ten times worse say...
not black and white. Rather depends how big it is, and how the windings are insulated. on a large machine with possible condensation on internal bare terminls it may be nothing to worry about. If it is supposed to be a small sealed unit, then there is trouble ahead.
Also what would happen if it failed - it may be worth replacing it early rather than waiting if it is mission critical. If no one will care that much, it may be worth letting it run to failure.
Do you have known good one (or indeed results from previous tests last time) to compare - if it is a small change, then not as serious as if it was ten times worse say...
