Troubleshooting
6.0 TROUBLESHOOTING
WARNING!
Do not perform any maintenance work in a
hazardous area.
Because of the Leakator 10’s advanced design, trouble with
the instrument can usually be diagnosed by looking at the
LEDs as seen through the front-case. See Figure 3.
If the
Fail
LED lights, check that the sensor is seated and J3
is connected to the printed circuit board. If still no change,
replace the sensor per Section
5-1 Replacing the Sensor
.
If the
Low-Bat.
LED lights, replace the batteries per Sec-
tion 3.0 as soon as possible. The instrument should operate,
however, for several hours before the batteries go dead.
If the instrument doesn’t respond to a combustible gas, per-
form the following in the order presented until the problem is
corrected:
- First ensure that all connectors are securely in place on the
printed circuit board, and that the sensor is firmly seated
into its socket.
- Replace sensor, even though the Sensor-Fail LED isn’t on,
per Section
5.1 Replacing the Sensor
.
- Replace circuit board per Section
5.2 Replacing the Printed
Circuit Board
.
16
Leakator 10
Instruction 19-9167
