How do you test and replace a GHD fuse?

There are two types of fuse in a GHD hair straightener - the fuse in the plug and a thermal fuse on one or both of the ceramic plates.

GHD fuses

Mains fuse - 3 or 5 Amp.

GHD hair straighteners have a fuse in the mains plug just like all small domestic home appliances. This can be popped out with a small screw driver.

GHD fuses

If you have a multimeter you can easily check the continuity of any fuse. Disconnect the irons from the mains, select the lowest Ohms scale (or autorange) on the multimeter and check across the fuse. If the fuse is ok, you should get a reading of around 0.1 ohms or the same as you see if you just touch the meter probes together.

GHD fuses  GHD fuses

If you do not own a multimeter simply replace the fuse with a standard 3 or 5 Amp 6.3mm x 25.4mm fuse and try the irons again.

Plug top fuses can fail over time due to fatigue. This is usually due to high inrush currents.

Repeated failure of a mains fuse indicates a serious fault such as the insulation failing in the mains cable and the irons should not be used until the cause of the fault has been repaired. If you have any concerns we offer a fixed price repair service which will sort out the problem.

Thermal fuse. 227 degs C.

To prevent over heating in the event of a fault, a thermal fuse is fitted inside most GHD hair straighteners.

Newer models like the GHD S7N261 Gold have two thermal fuses, one in each ceramic plate.

Thermal fuses will fail if:

Just as with the mains fuse, a multimeter can be used to check the thermal fuse. See our Thermal Fuse Problems page.

Changing thermal fuses has to be done correctly and safely. Repalcement thermal fuses are available on our online shop. If you do not have the required tools or skills please use our Repair Service.



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