Troubleshooting - The Hot water does not dispense.

The automatic lock feature has been engaged. Press the [Lock/Unlock] or [Lock/Unlock]/[slow Drip] key on the control panel to release the lock. The indicator light next to the key will be lit. Press the [Dispense] key to dispense hot water. The [Dispense] key will be relocked automatically 10 seconds after you have stopped dispensing hot water.

This answer is for model NC-EG2200, NC-EG3000, NC-EG4000.