If the problem can’t be resolved after trying to open as indicated in the instructions written on the delivery box or checking the manufacture’s instruction manual, please contact Daito Kentaku Customer Support Center.
■The box doesn’t open even by using the unlock code
If the unlock code that you received from your delivery company doesn’t work, please contact them to confirm the code first. If they cannot solve the problem, please contact Daito Kentaku Customer Support Center with your 「Box Number」 and 「Unlock Code」.