After the vendor is done with the external service,you create a master warranty (vendor warranty) using transaction BGM1. Say it is warranty for xyz vendor. For all the different types of repairs for which vendor had done repair you create services say Hydraulic system repair, engine repair etc. Note that you need to create Hydraulic system repair and engine repair as service materials (DIEN) in transaction MM01.
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Now you need to assign counters to each of the services.
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Assign this master warranty created to the equipment master.
In IMG, you need to define Warranty type, number range for warranty type and warranty counter.
Path is IMG>Plant maintenance and customer service> Basic settings> Warranties> Define warranty types.
If there are different vendors which did repair for this equipment, you need to create a generic master warranty and identify the name of the vendor in the name of service material itself.
Also you need to tick 'Dialog box order' while configuring warranty type. This ensures that whenever somebody is creating a new work order wrt equipment which has assigned master warranty, in that case a pop up will come to tell whether warranty is active or not.
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Hope this helps.
Thanks,
Tajinder
