Repairing a home base geyser can be a challenging task and should only be attempted by someone with a basic understanding of plumbing and electrical work. Here are the steps to repair a home base geyser:

1. Turn off the power supply: Before beginning any repair work, make sure to turn off the power supply to the geyser. This is important to avoid any electrical shocks or accidents.

2. Troubleshoot the problem: Identify the issue with your geyser. Is it not heating the water, is it leaking or making strange noises? Troubleshooting the problem will help you identify the source of the problem and the required repair work.

3. Check the thermostat: If the water is not heating up, check the thermostat. If it is faulty or not working correctly, it may need to be replaced.

4. Inspect the heating element: If the thermostat is functioning correctly, check the heating element. If it is damaged or corroded, it will need to be replaced.

5. Check the pressure relief valve: If the geyser is leaking, check the pressure relief valve. If it is not functioning correctly, it may need to be replaced.

6. Replace faulty parts: Once you have identified the faulty part, replace it with a new one. Make sure to follow the manufacturer's instructions and use the correct tools.

7. Test the geyser: Once the repair work is completed, turn on the water and power supply to the geyser. Test the geyser to ensure that it is functioning correctly.

it may be best to hire a professional from Locals4u to repair your home base geyser, especially if you are unsure about the repair work or don't have the necessary skills or tools. Regular maintenance and servicing of your geyser can help prevent breakdowns and reduce the need for repairs.