- Check whether test space door has lowered and adjust lock if necessary
- Check test space temperature sensor and safety temperature sensor
- Functional test of hinges and locks
- Check door sealing for wear/damage
- Functional test of test space fan
- Functional test of air cooler
- Electric/mechanic function check of connections (analogue and digital interfaces)
- Check contactors and relay for wear and damage (e.g. burned contact)
- Visual inspection of switch cabinet wiring
- Visual inspection of earth connections
- Check operating panel and display
