How to troubleshoot your HiKOKI 2nd Gen Nailers

By: Charlenne Woodcock on 11th April 2026
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In this video, we will go through the common issues we get asked about the HiKOKI 2nd-generation nailers. It has been chaptered so that you can skip to whatever part is relevant.

This is applicable to the 1st fix nailer (NR1890DCAJPZ), 2nd fix straight brad nailer (NT1865DSAJXZ) and the latest Metal Connector (NR1838DKAJXZ)

To see what bolts to remove when checking the 1st fix and MCN for nail jams, see diagram here: https://canva.link/efojifhgy1gg3y3

Any questions, please get in contact and we can help you out: sales@multifixuk.com or 0203 248 4086

0:00 - Introduction
0:21 - Why a new battery can solve a red flashing light
0:38 - Still showing issue light, try this
1:02 - How to clean & clear 1st fix jam
1:12 - How to clean & clear 2nd fix jam
1:43 - What to clean nailers with
2:03 - How to clean & clear MCN
3:35 - New battery, clean & cleared mag, try reset
3:57 - How to reset 1st fix nailer
4:20 - Tip for resetting 1st fix nailer
4:45 - How to reset MCN & 2nd fix nailers
5:01 - Top tip for resetting all guns
5:13 - Nails are not sinking in, try this
5:53 - How to re-gas your gun videos