Creality CV-Laser Module 24V 1.6W: problems, parts and running costs

Checked: 2026-10-17

Summary

The failures owners hit are electrical and software rather than optical: plugging the module in while the printer is powered on can burn out the motherboard, and the stock LASER firmware does not behave like standard GRBL, so LightBurn and LaserGRBL need manual tuning [4][9][10]. There is no subscription; running costs are spare carbon filters, sample materials, goggles and an under-plate, with no typical yearly spend reported [4][8]. It only makes sense if you already own a compatible Ender-3 S1-series printer and want cheap fine-detail engraving; for cutting, the 5 W and 10 W modules are the better buy [6][12].

Common problems and fixes

Motherboard burnout from hot-plugging — Creality’s manual and store guide both warn the module must be connected or disconnected only with the printer powered off, because doing it live can burn out the motherboard [4][5]; one owner destroyed an Ender 3 S1 mainboard during installation by plugging the 24 V cable in while the printer was on, and a second owner lost PWM/lasing with Creality replacing the motherboard [8][9]. Fix: power the printer off before connecting; the connector is keyed, so check the cable direction before pushing it in. [4][6]
Module stops lasing entirely — a LightBurn-forum owner reported the 1.6 W module stopped lasing completely while the red power light stayed on, with no PWM signal present; Creality sent a replacement motherboard, and the owner ultimately swapped the 1.6 W for a 5 W module [9]. The practical repair path is Creality support. [8][9]
Stock firmware fights third-party software — the stock LASER firmware diverges from standard GRBL, so LightBurn and LaserGRBL owners report missing or inverted power control and trouble finding the correct device settings (Marlin vs GRBL, inline vs non-inline) [9][10]. Fix: expect to tune the firmware and slicer settings yourself, and treat forum settings as a starting point.
Very low output at full power — a 5 W-module owner on the same mount system reported very low output even at 100% power and odd fill behavior, consistent with firmware/S-value mismatch [11].
It engraves, it does not cut — Creality’s own comparison lists the 1.6 W at 2 mm basswood, “very delicate but slower”, and rules out 5 mm basswood, while an owner thread reports cutting roughly 2-4 mm of thin wood and states plainly that metal, glass and acrylic cannot be engraved with a diode this weak [6][12]. Creality’s Falcon reference table gives starting parameters of 81% power at 1500 mm/min to engrave 2 mm linden plywood and 81% power at 200 mm/min to cut 0.2 mm kraft paper [7].
Partial smoke filtration — a community sponsor estimates the module’s fan and filter draw only about 50% of the air and remove about 60% of the particulates from that portion, so enclosure or room ventilation and frequent filter changes still do the heavy lifting [8][5].

Creality’s US store lists up to a 12-month warranty on the laser-module product line; an exact term for this SKU was not confirmed on a first-party page [2].

Parts and consumables

Sealed module — no published spare-parts list for the diode, fan or driver board; the practical repair path is Creality support or RMA [8][9].

Yearly running cost

Not enough data: the research reports no typical yearly spend for owning this module. There is no subscription.

When it is a good buy

First-party prices checked 2026-10-16: Creality’s US store lists the CV-Laser Module 24V 1.6W at $63.20 (compare-at $79.00), with an option at $56.88 and volume tiers from $53.72 (2+), $50.56 (4+) and $44.24 (6+); mvip lists it at $73.90 [1][3].

If you already own a compatible Ender-3 S1-series printer and want to try fine-detail engraving cheaply, the 1.6 W at roughly $55-75 first-party is worth the entry price — provided you respect the power-off install rule and accept partial smoke filtration [1][3][6].
If cutting or harder materials are the goal, skip the 1.6 W: the 5 W module runs $89.10 and the 10 W module $143.28 at Creality’s US store [2][5].
If there is no compatible printer to mount it on, the standalone Creality Laser Module kit (own control box, 100-240 V adapter, goggles and Type-C cable) lists the 1.6 W option at $71.28 [2].