METTLER TOLEDO 2158/2160/2162 Vertex Floor Scales Service Manual
(11/96)
10-2
indicator from the Vertex scale assembly and connect a load cell
simulator to the indicator (analog simulator available from Mettler
Toledo). Reapply power. If the problem is still present, consult the digital
indicator manual for further troubleshooting assistance.
If the problem is NOT present with the load cell simulator attached to the
indicator, remove power, disconnect the simulator and reconnect the
platform. If the problem reoccurs, further scale platform troubleshooting
is required.
Check Wiring
Remove power from the system. Remove the access cover plate from the
platform. Remove the lid from the junction box and check the interior for
moisture or any foreign material.
Ensure that all wiring connections are tight and that no insulation
material is touching the terminal contacts. Check all cable connections
for correct wiring, the wiring color code are as follows:
Load Cells Instrument Cable (Model 2158)
+Excitation Green +Excitation White
+Signal White +Signal Green
Shield Yellow Shield Orange
-Signal Red -Signal Black
-Sense Not Used -Sense Red
-Excitation Black -Excitation Blue
(Instrument cable color code based upon Mettler Toledo cable no.
510620370)
Check all cable connectors on the junction box. Tighten any connectors
found to be loose.
Note: Model 2160 - Check that
jumpers W1, W2, W3 and W4
are in the “IN” position.
To Next Page
Loading...
