PCB DIAGNOSTIC CHART
Test Results Solution
RAM/ROM 0 - Pass
1 - ROM read fail
2 - RAM read fail
3 - RAM write and read do not compare.
Record type of failure.
Cycle Tech 2 power (press [PWR]) and retest.
If problem persists, contact Customer Support.
RS-485 loopback Pass
Fail - Loopback may not be connected.
Check loopback connection.
If problem persists, contact Customer Support.
RS-232 loopback Pass
Fail - Loopback may not be connected.
Cycle Tech 2 power and retest.
If problem persists, contact Customer Support.
Check loopback connection.
If problem persists, contact Customer Support.
Keypad Test successful
Keypad failed
Exiting the test before all keys are pressed
results in a failed keypad test.
PCMCIA
(Tests both card slots)
Card detected
Card not present
Fail
Check that card is inserted properly.
Cycle Tech 2 power and retest.
If problem persists, contact Customer Support.
Display controller
(Contrast and characters)
User determines if display is correct. If the display shows a noticeable failure during tests,
contact Customer Support.
Sound transducer User determines if sound transducer is
working.
If no sound is emitted by repeatedly selecting Auto-
mated Test or Sound On, contact Customer Support.
Real-time clock Time is displayed correctly.
Invalid values are displayed for date, year,
hour, minute, or second.
Reset clock. Cycle Tech 2 power and retest. If time is
not retained, contact Customer Support.
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