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Transpector MPH Operating Manual
Chapter 7
Diagnosing Problems
7.1 Introduction
If you are experiencing trouble with your Transpector MPH, first look at Table 7-1
and see if your problem is listed there. If not, contact INFICON (refer to section 1.3,
How To Contact Customer Support, on page 1-3).
7.2 Symptom-Cause-Remedy Chart
Make sure that the insulation on all cables is intact and there is no damage on the
insulating material before using Table 7-1.
Table 7-1 Symptom—Cause—Remedy chart
SYMPTOM CAUSE REMEDY
Power LED does not
turn on
+24 V external power supply Check input AC line voltage
to external power supply.
Check +24 V input, verify
input between 20 - 30 V.
Replace power supply.
Electronics failure Return to INFICON for repair.
No communi-
cation to HOST
computer
Sensor IP address not
compatible with network
Refer to Chapter 2,
Connecting
Transpector MPH.
Transpector communications
port (port 80) is not open on
the host computer
Either open port 80 on the
host computer or change the
communications port of
Transpector MPH.
Cable connections Make sure cables are
connected to proper
connectors.
Host computer Ethernet card
malfunctioning
Replace Ethernet Card on
host computer.
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