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PERFORMING SELF TEST
Through the use of the Reset button on the front panel, a number of items can be observed or analyzed. A
number 1 - 13 which is displayed on the output pressure display identifies each test. To enter Test Mode
press and hold the Reset button for 4 seconds. The system will beep 3 times and then enter Test Mode. A
description of the tests follows.
“Reset” button pushed first time — Enter “Test” Mode and…
1. [TEST 1] Display Test — This test exercises all segments of the displays and all status lights except the
power and remote alarm indication. If serial communication is selected, the system will output a code
indicating that a self-test is being performed.
Next “Reset” button
2. [TEST 2] Display Date of Manufacture — The year of manufacture will be shown on the left inlet
display and the month and day, respectively, of manufacture will be shown on the right inlet display.
Next “Reset” button
3. [TEST 3] Display Software Revision — The number on the left inlet display is the software revision
the product is running. This should appear as a 3 digit number. Example: 137 is version 1.37.
Next “Reset” button
4. [TEST 4] Transducer Test — This test checks to determine if the transducer input channels are working.
If they are working correctly, a value between 475 and 525 should appear on the three displays.
Next “Reset” button
5. [TEST 5] Turn ON Left Side Valve — This test forces the valve that controls flow from the left inlet to
ON. This helps determine if there is gas flow from the left side. If gas is not flowing during this test,
check that the cylinder(s) is turned on and full of gas. If there is gas, and the cylinder is turned on, it
may be possible that the left side is plugged.
Next “Reset” button
6. [TEST 6] Turn ON Right Side Valve — This test forces the valve that controls flow from the right inlet
to ON. This helps determine if there is gas flow from the right side. If gas is not flowing during this
test, check that the cylinder(s) is turned on and full of gas. If there is gas, and the cylinder is turned on,
it may be possible that the left side is plugged.
Next “Reset” button
7. [TEST 7] Turn ON Left Side Alarm — Activating this test should cause a connected remote alarm to
show an alarm on the left side. If it does not, check the wiring to the alarm and the alarm’s power.
Next “Reset” button
8. [TEST 8] Turn ON Right Side Alarm — Activating this test should cause a connected remote alarm to
show an alarm on the right side. If it does not, check the wiring to the alarm and the alarm’s power.
Next “Reset” button
9. [TEST 9] Display DIP Switch Settings — This test shows the settings of the internal DIP switches on
the electronics circuit board. The left inlet display will show the switchover pressure in PSI The right
side 4 digit display will show the other switch settings including units of measure, serial port enable and
security lockout.
If the switchover pressure needs to be changed, refer to the section on switchover pressure settings for
instruction.
Summary of Contents for INTELLISWITCH
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