How to Replace Fuses in a Siemens PS-35 Power Supply Module

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To safely replace the fuses in your Siemens PS-35 Power Supply Module, please follow these steps. First, it's crucial to prioritize safety. Always remove all power to the system before starting. Begin by disconnecting the battery and then the AC power supply. When you're ready to power the system back up, reconnect the AC power first, followed by the battery. For Fuses F2 and F3 within the PS-35 module: To replace F2, which requires part number 105-224090, a 15A fuse rated at 250V, gently slide the old fuse out of its holder and snap the new fuse into place. For F3, use part number 105-284845, a 2A fuse rated at 125V, and repeat the same sliding and snapping procedure. For the TC-30U Transfer Module fuse replacement, push the fuse cap in and turn it counterclockwise to remove the old fuse. Then, replace it with part number 105-224090, the 15A fuse rated at 250V. By adhering to these instructions and using the correct Siemens-specified replacement fuses, you can ensure a safe and effective fuse replacement for your Siemens PS-35 Power Supply Module.