M Series Service Manual
Observe this...
1.13
Cables
Are all cables free of cracks, cuts, exposed or broken wires?
1.14
Are all bend/strain reliefs undamaged and free of excessive cable wear?
1.15
Battery
Is the ZOLL battery fully charged?
1.16
Is the battery seated in the battery well correctly?
Record your results on the Maintenance Test Checklist.
5
Pass/Fail