Are you using DealPOS integration with Jurnal.id? There may be a partially paid sales transaction scheme that is recorded in the POS. For this scheme, you have to add payment manually at Jurnal.id, and it will be recorded as full paid, not partial. You can check the details below:
I. Go to Sell and Make a Transaction with Partial Payment / Credit
II. Add Payment in Jurnal.id
Step 1. Open your jurnal.id Account - Menu Sell - Choose Invoice
Step 2. Click Action - Receive Payment
Step 3. Set Deposit To - fill Payment Amount - Create Payment
Step 4. Invoice has Updated 'Paid'
You might also like to read this article:
To upload a sales invoice, you can check the following article: Upload Sales Invoice to Jurnal.id.
To synchronize adjustment transactions, check the following articles: Synchronize Adjustment to Jurnal.id.
To upload a purchase transaction, you can check the following article: Upload Purchase Invoice to Jurnal.id.