ABB NTR002-A Voltage module

This supply is comprised of several modules (assemblies). If a module fails, simply replace it with an identical one. A front panel LED will glow to indicate which module (assembly) has failed. FRUs (modules) are replaced by removing the screws on the top cover which allows access to the modules. When ordering a FRU, please refer to its Lambda-EMI number and the model number of the power supply. The table below provides a list of the modules and their EMI part numbers.

INVERTER A200 

There are four inverter board assemblies in the power supply. Inverter failures are indicated on the front panel by their LEDs. To remove a module, loosen the five captive screws on the plate between inverters 1 and 2 (or inverters 3 and 4), then remove the plate. Unplug the multi-pin cable near the top and remove the screws holding the red and black wires. Lift out the module and unplug the red two pin connector. Install the new module in the reverse order. All four inverter modules are removed and installed in the same manner.

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