Torqeedo Power 24-3500, Operating Manual

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7. Maintenance
7.1 Maintenance by user
Please apply contact spray to contacts preferably always after use, but at least every six
months. Keep water detection sensor free of grease, oil and dirt. Treat data ports contacts
once a year with appropriate contact oil.
7.2 Maintenance by Torqeedo service staff
No matter how frequently the battery will have been used, check tightness, cell state,
system safety and content of error memory at least every eight years.
• In case the recharging of a totally discharged battery doesn‘t
work any more, please take battery and charger to Torqeedo service
for inspection (addresses on back of the present manual).