Tools needed:
- Philips head screw driver
- 17mm deep socket + socket wrench
*Make sure the machine is completely cooled.*
1. Remove the top panel and locate the hot water solenoid:
2. Use the Philips-head screw driver to unscrew the power cable from the solenoid box:
3. Remove the 'C' clip and the black box from the piston:
4. Use a 17mm deep socket to unscrew the piston from the assembly:
5. Inspect/clean any blockages in the valve and on the seat, then confirm that the spring can move freely.
Now, follow these instructions in reverse order to reinstall the solenoid.