>>This is working control
>>
>>

>><input class="form-control percent-icon ng-not-empty ng-valid-min ng-valid-sm-number ng-dirty ng-valid-number ng-invalid ng-invalid-max ng-touched"
>> id="discPct" max="100" min="-100" name="discPct" placeholder="0" ng-model="currentSpecial.discPct" type="number" 
>>data-sm:number="" data-accuracy="0" style="">

>>
>>
>>and this is not working
>>
>>

>><input type="number" name="maxDaysLocal" id="maxDaysLocal" sm-focus="" min="1" max="45"
>> ng-model="currentPrefs.loclccdays" 
>>class="form-control ng-valid-min ng-valid-sm-number ng-not-empty ng-dirty ng-valid-number ng-invalid ng-invalid-max ng-touched" 
>>placeholder="0" data-sm:number="" data-accuracy="0" style="">

Those look identical to me - apart from the obvious name/id and model changes. Look at the $error object for the input control in both cases.
>
>Just a thought : you could use ng-messages/ng-message rather than the show/hide construct.

I'll read on ng-messages/ng-message because we're not using them in our app, so it's something new for me. I'll also try to examine the $error object although it's not exactly clear to me how to do it using Developers tools.