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TO 172838
Section 7
MAIN TENANCE
T his Section describes maintenance proce
7.0 General
-
dures for the IQ Data. T he information contained here is
divided as follows:
Isolating a malfunction (Par. 7.1)
•
Replacing the IQ Data (Par. 7.2)
•
Symptom
All Operator Panel indicators are off.
7.1 Troubleshooting -
T his Paragraph describes the follow
ing procedures:
Troubleshooting when AC power is first applied to an IQ
•
Data in an application (Par. 7.1.1).
Troubleshooting assuming the IQ Data has been installed
•
and was operational for a period of time (Par. 7.1.2).
T his Paragraph lists procedures to fol
7.1.1 Initial Startup -
low when the IQ Data is not operating properly after AC power
is first applied. T he procedures assume that:
All steps listed in Paragraphs 4.4.1 and 4.4.2 have been
•
completed, and
One or both display windows do not display values and/or
•
the lA AMPS RMS LED or V A B VOLTS RMS LED are not
lit.
Shaded
area designates information that
replaces or supplements applications using
the 3-phase Power Module.
Earlier Sections of this Manual, especially Section 2, Hard
ware Description; Section 3, Operator Panel; and Section 4,
Installation and Startup, should be read thoroughly to familiar
ize the maintenance person with the IQ Data.
Table 7.A
INITIAL POWER-ON T ROUBLESHOOTING
Probable Cause(s)
Control power is deficient.
•
All maintenance procedures must be performed only by
qualified personnel who are familiar with the IQ Data and
the associated AC lines being monitored. Failure to observe
this caution can result in serious or even fatal personal
injury and/or equipment damage.
T he following procedures at times involve working in equip
ment areas where the hazard of fatal electrical shock is
present. Live parts are exposed. Personnel must exercise
extreme caution to avoid injury, including possible fatal
injury.
Always disconnect and, if necessary, lock out the AC power
source before touching the components on the rear of the
IQ Data. Failure to do so can result in serious or even fatal
personal injury and/or equipment damage.
23
Solution
Locate deficiency in control power
•
line.
Replace unit. (See Paragraph 7.2)
•
IQ DATA
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