You can now watch our fantastic Fault Finding, Testing & Multimeters video on your iPhone, iPad and Apple TV & Android phone.
21 Chapters showing you all about multimeters, how to carry out the electrical safety tests in full, how to test stats, fans, sensors and pumps, about diverter valves, expansion vessels and the sequence of operation.
Learn at your own pace.
New to central heating, no confidence?
Our APPs are made for someone with little or NO experience.
Each chapter has easy to follow instructions.
Fault finding is the hardest part to learn which is why there is a massive shortage and the rewards are the highest of all the trades.
We make it east to start, download today.
- Testing Equipment
- Multimeter Settings
- Electrical Safety Tests
- Earth Continuity Test
- Short Circuit Test
- Resistance to Earth Test
- Polarity Test
- Fault Isolation Procedure
- Sequence of Operation
- Pumps
- Testing Switches
- Water Pressure Switches
- Flow Switches
- Air Pressure Switches
- Fans
- Stats & Sensors
- Diverter Valves
- Domestic Heat Exchangers
- Expansion Vessels
- Water Hammer
- Airing Cupboards
![](https://www.mrcombi.com/wp-content/uploads/Fault-Finding-iPad-Mockup-1040x746.png)