ok. let's fix this!

testifire 1000 system fault - heat fan

This happens when a small piece of dirt (about 0.4mm) finds it way into the fan and stops it from turning.

Let’s get that out of there.

System Fault-heat fan


Turn off Testifire and remove battery.

Remove battery


Hold Testifire by its handle and tap it firmly against your other hand.

step 2 hold


Turn Testifire round and repeat tapping.

step 3 hold


Insert battery and run a test to see if the fault has been cleared. You may need to do this several times.

step 4 insert battery
has this fixed your problem?

Thanks for using Testifire Support. To reduce the chances of this happening again always keep the cup of the Testifire clean.

It doesn’t look like we can fix this at this time. Please contact our product support team who can advise you further.

Email: support@detectortesters.com or Telephone: +44 (0) 1707 282760