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Troubleshooting AMX
Error Number
TEST 05 FAILED
Error Code / System Message
TEST 05 FAILED - Watchdog timer test failed
Error Question
What does TEST 05 FAILED mean on a GE AMX-Series mobile X-ray?
Short Answer
TEST 05 FAILED: Watchdog timer test failed.
Possible Causes
Write to timer and read back several times. Test fails if timer is high for more than 75 milliseconds or less than 25 milliseconds. Error Code 85 Hex is recorded in the Error Log for a failure. Error Watchdog timing/reset response is outside expected limits.
Troubleshooting Steps
Check HC123 on shot and associated circuitry. Check watchdog timer circuitry and CPU timing components.
Parts Areas to Check
CPU board; memory/timer/A-D circuitry identified by the test
For Related Models
AMX-4, AMX-4+, Definium AMX 700
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