Lit. No. 41936, Rev. 00
6
August 15, 2015
41000
OPERATION
The Isolation Module Tester is programmed to run
several test modes. You will select which isolation
module is being tested, and whether the tester will run
one test cycle or three test cycles. More than one test
cycle may be required to identify an intermittent failure.
Test Mode
To Use the Default Test Mode
Default test mode is a single test cycle of the 29070-1
(green label) isolation module.
1.
Connect the green 2-pin connector from the
transformer or battery connectors into the top
of the tester. The status LED will flash red, then
green, then turn off. The Start screen will appear.
2. Press and release the START button.
To Select a Test Mode
1. Hold down the START button while connecting
the green 2-pin connector from the transformer or
battery connectors into the top of the tester.
2.
The Start screen will show briefly, then the display
will cycle through the test mode screens. Release
the START button when the desired screen
appears:
29070-1 module — 1 test cycle
29760-1 soft-start module — 1 test cycle
29070-1 module — 3 test cycles
29760-1 soft-start module — 3 test cycles
(The screens for "Reserved Test" are not active.)
<TEST MODES>
Release button
to select Mode.
29760-1(SS) C=1
DOUGLAS DYNAMICS
ISO MOD TESTER
PRESS START 2 GO
Example
3. Once the START button is released, the status
LED will flash red, then green, then turn off. The
Start screen will display.
Press the START button once to begin the
selected test cycle.
Stopping a Test
To stop a test in process, press the START button. To
restart the same test from the beginning, press the
START button again.
To select a different test mode, unplug the green 2-pin
connector from the tester, then follow steps 1–3 under
"To Select a Test Mode."
Test Results
If no failures were detected during the test cycle the
status LED will flash green. A CYCLE PASS message
will appear in the display.
When the tester detects a continuity failure, the test
cycle will stop and the status LED will flash red. A
FAILED TEST message will appear in the display,
listing which isolation module component failed and
which lighting function is affected.
Record these test results and include that information
on your warranty claim form and RMA tag.
29760-1
soft-start
module
1 test cycle
DOUGLAS DYNAMICS
ISO MOD TESTER
PRESS START 2 GO
< FAILED TEST >
. . . . . IM - K4 . . . . .
VEH L HI BEAM . . .
Example
Vehicle left side high-beam headlamp
Isolation
Module
K4 relay
Содержание 29070-1
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