Formal — to staff
Vending · Machine · Trouble
You
すみません、自販機でお金が詰まってしまって。
すみません、じはんきでおかねがつまってしまって。
Excuse me, my money got stuck in the vending machine.
Romaji: Sumimasen, jihanki de okane ga tsumatte shimatte. / Reply Romaji: Ara, dochira no jihanki desu ka? Sugu ni mite kimasu ne.
Reply
あら、どちらの自販機ですか？すぐに見てきますね。
あら、どちらのじはんきですか？すぐにみてきますね。
Oh, which vending machine? I'll go check it right away.
Gesture & etiquette
Point towards the vending machine, possibly showing the stuck coin/bill.
Do not try to force the machine or get frustrated. Politely wait for staff assistance.
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