CAU-115 - Welding machine Steren - Free user manual and instructions
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| Product Type | Soldering iron / Welding machine |
| Brand | Steren |
| Model | CAU-115 |
| Power Consumption | 30 W |
| Input Voltage | 120 V AC |
| Frequency | 60 Hz |
| Temperature Range | Approx. 200–400 °C |
| Heating Element | Ceramic resistor |
| Tip Type | Interchangeable conical tip |
| Cable Length | 1.2 m |
| Weight | 0.2 kg |
| Dimensions | 20 × 5 × 5 cm |
| Safety Rating | Double insulated, heat‑resistant handle |
| Control Type | Fixed power, no temperature dial |
| Indicator | LED power on light |
| Included Accessories | Soldering stand, cleaning sponge, spare tips |
| Spare Parts Availability | Replacement tips and heating elements available |
| Repairability | Modular design, can be opened for internal replacement |
| Cleaning | Wipe tip with damp sponge, avoid water immersion |
| Storage | Store in stand after cooling down |
Frequently Asked Questions - CAU-115 Steren
How do I use the Steren CAU-115 soldering iron?
Plug the iron into a 120V AC outlet, wait for the tip to heat up (about 30 seconds), then apply solder to the joint. Always place the iron back on its stand when not in use.
What temperature can I expect?
The CAU-115 is a fixed‑power iron, typically reaching 300–400 °C. It has no adjustable temperature dial.
How do I clean the tip?
Use a damp cleaning sponge to wipe the tip while hot. Never use sandpaper or files, as they damage the plating.
Can I replace the tip?
Yes, the tip is interchangeable. Unscrew the old tip and fit a compatible conical replacement from Steren.
Why is my iron not heating up?
Check the power cord and outlet. If the LED is off, the heating element may be defective. Disassemble the unit and test the element with a multimeter.
Is it safe to leave it plugged in?
No. Unplug the iron when not in use. The high temperature can cause burns or fires if left unattended.
Does it come with a stand?
Yes, a soldering stand and a cleaning sponge are included in the package.
Can I use it for desoldering?
Yes, with a desoldering braid or manual vacuum pump. The CAU-115 provides enough heat for small to medium solder joints.
How do I tin the tip?
After cleaning, apply a small amount of rosin‑core solder to the tip until it becomes shiny. This prevents oxidation.
What is the warranty period?
Steren provides a 12‑month warranty against manufacturing defects. Keep your purchase receipt for service.
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USER MANUAL CAU-115 Steren
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Product information
Brand : Steren
Model : CAU-115
Category : Welding machine