Vanguard TRM-203_403 User Manual
Page 67
REV 1 TRM-203 AND TRM-403 USER’S MANUAL
63
3.14 Performing a Diagnostic Test
In diagnostic mode, the TRM can run a resistance test, display the sense voltages, and test
current on the TRM. This feature can be used to verify the TRM’s voltage and current readings
against an external meter. Use the steps below to perform a diagnostic test:
a. Start from the “START-UP” menu:
Press the
[3]
key (USER DIAGNOSTICS).
b. The following screen will be displayed:
Select the test current by pressing the corresponding numeric key on the keypad. Press
the
[6]
key (CUSTOM) if you would like to enter a custom test current and then enter
the current (between 1A-40A) on the next screen.
c. The following screen will be displayed:
Select the phase to test by pressing the corresponding numeric key on the keypad. For
this example we will test phase H/X1-H/X0, so press the
[1]
key.
SELECT PHASE:
1.
H/X1-H/X0 (YN PH A)
2.
H/X2-H/X0 (YN PH B)
3.
H/X3-H/X0 (YN PH C)
4.
H/X1-H/X3 (
Δ
PH A)
5.
H/X2-H/X1 (
Δ
PH B)
6.
H/X3-H/X2 (
Δ
Ph C)
SELECT TEST CURRENT:
1.
1A
2.
5A
3.
10A
4.
20A
5.
40A
6.
CUSTOM
1.
RUN TEST
2.
SETUP
3.
USER DIAGNOSTICS
07/31/12
13:12:11
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°C 72°F