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PosiCharge ProCore™
3.5. Power Module Redundancy
ProCore™ models rated 15kW or more have multiple power
modules. If any power module faults, then it becomes disabled;
charging continues at reduced power using the remaining
module(s). The display shows a warning stating that the
charger has a faulting module. Replace the faulty module as soon
as practical.
Use the ProCore™ Mobile App, to speed service, to send the
charger fault log to Webasto Customer Support.
3.6. Power Module Replacement
Follow these simple steps to replace a faulting power module.
3.6.1. Turn off the utility power breaker to the charger, and lock
out the breaker.
3.6.2. Disconnect the vehicle, if there is one.
3.6.3. Wait five minutes to allow capacitor voltages in the
charger to bleed down.
3.6.4. Remove the right side panel of the charger.
3.6.5. Grasp the hand holds on the power module, and pull them
firmly to unseat the module.
3.6.6. Slide the power module out of the cabinet. Be careful:
a module weighs 35 lbs.
3.6.7. Slide the replacement power module into the cabinet.
3.6.8. Seat the module by making sure that it is flush with the
cabinet sill.
3.6.9. Replace the right panel.
3.6.10. Restore the utility power.
24407-W-03 Rev-01
Operations and Maintenance Manual
Page 9 of 13
Webasto Charging Systems, Inc.
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