Continuity Test For X-Tool Thermocouple - ersa i-CON 1V Operating Instructions Manual

Error diagnosis and remedy
■
Measure the resistance between measuring points a and f.
7.5.2

Continuity test for X-TOOL thermocouple

Between measuring points c and g you should be able to measure a volume resistivity
of approx. 1 to 3 Ω. In case of a higher volume resistivity the heating element must be
replaced.
7.6 Continuity test for X-TOOL VARIO heating element
If the desoldering tip does not heat up correctly after checking general errors and other
faults, you can check the heating element resistor and the thermocouple for conduc-
tance using an ohmmeter.
To do a continuity check of the heating element, first disassemble the heating head as
described in chap. „6.7.5 Changing the X-TOOL VARIO heating head". Refer to the fol-
lowing diagram to perform a measurement on the disconnected heating element of the
desoldering iron using an ohmmeter:
Plug of X-TOOL VARIO
Ersa i-CON 1V & i-CON 2V
• The heating elements are okay if the resistance is in the region of 2 Ω.
• One heating element is defective, if the resistance is in the region of
4 Ω.
• Both heating elements are defective, if the resistance is significantly
higher than 6 Ω.
If you do not reach the specified values during the previously described
test you should return the tool to the Ersa Service for heating element
replacement.
CAUTION! Risk of burning!
Only perform the following remedial action after the soldering tool has
cooled down.
3BA00231 · 2019-03-12 · Rev. 4
107