Kewcheck 103
Kewcheck 103
1. Plug in 2. Switch on 3. Read the wiring conditions
Socket tester with audible sound
Fault indication chart LEDs show actual pin location Live, Earth, Neutral
Condition No. W iring condition Supply terminal LED display Buzzer
N E L
Socket wiring
1 Correct N E L Continuous
2 L- E reverse N L E Warble
3 L - N - E miswire E L N Warble
4 L- N reverse L E N Warble
5 L - N - E miswire L N E Warble
6 Faulty N/ L-E miswire NC L N Warble
7 Faulty N/E miswire NC N L Warble
8 Faulty N N C E L Warble
9 Faulty N/L - E reverse NC L E Warble
10 Faulty E/L - N reverse L N C N Warble
11 Faulty E N NC L Warble
12 Faulty E/N miswire E NC L Warble
13 Faulty E/ L - N miswire L NC E Warble
14 No main s NC NC NC -
• Clear bright LEDs
Key: The letter indicates the mains supply. The coloured box indicates which socket terminal it is
connected to, eg L = Live supply connected to neutral terminal on the socket.
• Continuous audible tone gives good wiring indication
NC = No Connection. = LEDs lit = LEDs off E = Protective earth. Continuous tone indicates
good wiring. Warble tone indicates error.
• Strong warbling tone gives clear warning of faulty wiring
• Advanced electronics gives clear indication even on noisy circuits
This unit is intended for first line
• Detects 14 wiring conditions
fault finding only. A three line
conductor system can provide up
to 34 fault permutations. The
general rule is unless three green
LEDs are lit, there’s a problem -
check the wiring!
Audible fuse finding
1. Plug Kewcheck into socket on circuit to be tested.
2. Ensure that you can clearly hear the continuous
tone when at the distribution board.
3. Pull and refit the fuses one at a time to identify
which stops the tone.
If out of earshot get someone to dial your mobile
from a nearby phone.
kewtechcorp.com
Kewcheck 103
1. Plug in 2. Switch on 3. Read the wiring conditions
Fault indication chart LEDs show actual pin location Live, Earth, Neutral
Condition No. W iring condition Supply terminal LED display Buzzer
N E L
Socket wiring
1 Correct N E L Continuous
2 L- E reverse N L E Warble
3 L - N - E miswire E L N Warble
4 L- N reverse L E N Warble
5 L - N - E miswire L N E Warble
6 Faulty N/ L-E miswire NC L N Warble
7 Faulty N/E miswire NC N L Warble
8 Faulty N N C E L Warble
9 Faulty N/L - E reverse NC L E Warble
10 Faulty E/L - N reverse L N C N Warble
11 Faulty E N NC L Warble
12 Faulty E/N miswire E NC L Warble
13 Faulty E/ L - N miswire L NC E Warble
14 No main s NC NC NC -
Key: The letter indicates the mains supply. The coloured box indicates which socket terminal it is
connected to, eg L = Live supply connected to neutral terminal on the socket.
NC = No Connection. = LEDs lit = LEDs off E = Protective earth. Continuous tone indicates
good wiring. Warble tone indicates error.
This unit is intended for first line
fault finding only. A three line
conductor system can provide up
to 34 fault permutations. The
general rule is unless three green
LEDs are lit, there’s a problem check the wiring!
Audible fuse finding
1. Plug Kewcheck into socket on circuit to be tested.
2. Ensure that you can clearly hear the continuous
tone when at the distribution board.
3. Pull and refit the fuses one at a time to identify
which stops the tone.
If out of earshot get someone to dial your mobile
from a nearby phone.
kewtechcorp.com
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