H1 or 'Hot' error appears when trying to start a new cooking cycle; cooker refuses to start and may show a high temperature warning.

Safety: Do not force the cooker to start if it indicates excessive heat; allow it to cool.

• 1. Allow cooling time: Remove the inner pot and let both the pot and cooker sit for 20–30 minutes. Ensure the lid is open to release heat.
• 2. Improve ventilation: Move the cooker away from walls or cabinets. Ensure side and top vents are not blocked.
• 3. Sensor check: If H1 appears even when the cooker is cold to the touch, inspect the bottom NTC sensor and wiring as in the E1 procedure. A shorted sensor can falsely report high temperature.
• 4. Reset and test: After cooling and any repairs, plug in and start a low-temperature program (e.g., keep warm) to verify normal operation.

Do not cool the cooker rapidly with water or ice; this can warp components and damage sensors.