Amprobe LT-10 User Manual page 12

• If the fluorescent lamp is lit during the lamp test, but does not
function when installed in the light fixture, the spiral wound
filament, the starter or the ballast may be faulty.

Do not touch the probe during test.
Lamp Test with the Antenna
1. Touch the surface of the light bulb or the lamp socket with the probe.

Do not touch energized parts with the probe.
Do not touch the lamp socket during test. This could lead to faulty
test results and cause electric shock.
2. Press and hold down the LAMP TEST button.
• The fluorescent lamp is good if lit during lamp test
• The fluorescent lamp is bad if not lit during lamp test
• If the fluorescent lamp is lit during the lamp test, but does not
function when installed in the light fixture, the spiral wound
filament, the starter or the ballast may be faulty.

Do not touch the live parts with the antenna.
Figure 4: Lamp test against glass
surface in light fixture with the
antenna
8