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SDS drill keeps tripping switch
02-02-2020, 05:31 PM (This post was last modified: 02-02-2020 05:40 PM by mubs.)
Post: #1
SDS drill keeps tripping switch
Hey guys.

Happened twice now so can't be a coincidence and it's not like I was doing any heavy work.

The drill makes a pop/bang/click noise and all the sockets go off. On one occasion I saw a small arc of electricity from one of the vents.

How do I begin to diagnose the problem?
Would prefer not to bin it. It's got me through some tough times.

It's a Bosch PBH 2200 RE SDS plus.

Thanks in advance

Mubs

http://www.prestonwasteoil.co.uk
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02-02-2020, 07:00 PM (This post was last modified: 02-02-2020 07:01 PM by terryecosse.)
Post: #2
RE: SDS drill keeps tripping switch
(02-02-2020 05:31 PM)mubs Wrote:  Hey guys.

Happened twice now so can't be a coincidence and it's not like I was doing any heavy work.

The drill makes a pop/bang/click noise and all the sockets go off. On one occasion I saw a small arc of electricity from one of the vents.

How do I begin to diagnose the problem?
Would prefer not to bin it. It's got me through some tough times.

It's a Bosch PBH 2200 RE SDS plus.
Check the brushes
Thanks in advance

Mubs

Mercedes 300TD - running fine - 30,000 on home bio!
Gone but not forgotten (it runs again!) - 190D - 3yrs on bio but it ruined the clutch (no it didn't)
- 300TD - 18 months on bio but it ruined the gearbox.. Edinburgh
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02-02-2020, 07:50 PM
Post: #3
RE: SDS drill keeps tripping switch
Give the interference suppression capacitor a good look for discolouration
pin holes ect.

Richard
Location Derby
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05-02-2020, 01:58 PM
Post: #4
RE: SDS drill keeps tripping switch
take it apart, look for anything that looks burnt/black

smell for burnt stuff

post photos here for us to help

+ put new brushes
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06-02-2020, 12:02 PM
Post: #5
RE: SDS drill keeps tripping switch
Agree with above . Take it apart. Give it good blow through with compressed air. Change brushes. Clean as many contacts, and bits that you can see with Contact Cleaner. Let it dry before using.

Presume you've tried it with another trip. Trip might be at fault, they do default fail to sever circuit.
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06-02-2020, 09:37 PM (This post was last modified: 06-02-2020 09:43 PM by mbreward.)
Post: #6
RE: SDS drill keeps tripping switch
What trips, is it the RCD or the circuit breaker?
If it is the circuit breaker then it is a high current fault which probably means that the coils are burnt out, that would be terminal for the drill.

(06-02-2020 12:02 PM)GreezySpn Wrote:  Agree with above . Take it apart. Give it good blow through with compressed air. Change brushes. Clean as many contacts, and bits that you can see with Contact Cleaner. Let it dry before using.

Presume you've tried it with another trip. Trip might be at fault, they do default fail to sever circuit.

+1 on that contact cleaner uses propane as a propellant, ventilate well before making live, ask me how I found out ?

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