# How to Enter SVC Inspection Mode for DMT400 Series
- Press the ‘Heavy’ + ‘Delicate’ + ‘Power’ buttons at the same time for two seconds
to enter Service Inspection Mode.
- All LEDs are displayed for the first two seconds and then Software-Ver. will be indicated
Binary Code using LED of ‘Normal, Heavy, Delicate, Smart Auto’.
- You can change the mode by pressing the Normal button again.
If press the Normal button in this mode, the mode will be changed to next mode.
- If you want to activate a mode while operating the dishwasher, the door must be closed.
- If ‘Heavy’ LED , ‘Heavy+Smart Auto’ LED, ‘Heavy+DSmart Auto’ LED error occur,
enter Service Inspection Mode after resolving it.
- Service Inspection Mode is described in the following page.
Appendix 1. SVC Inspection Mode
2. DMT400 Series
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