Cirris Signature 1000HN, User Manual

Page: 56 / 86

Section 12: Troubleshooting / Error Messages
1000HN User’s Guide / page 56
Error Messages
Every time you turn on your analyzer, it performs a complete self-test. If there is a
problem in one of its systems, the analyzer will display an error message. If you see
any of these error messages, call us at 801-973-4600 or 800-441-9910. This section
lists all of the possible error messages, and some of the possible causes.
Problem:
The main power supply (located on the microprocessor assembly) is not
working properly. This supply is powered from the wall mount transformer cube.
Possible Causes:
• A loose cable from the microprocessor assembly to the analog board
• Loose (or bad) wall transformer.
• Bad microprocessor assembly.
• Bad analog board.
• Bad scanner assembly.
• Incorrect line voltage in use (for example, 120 volts instead of 240).
• Line voltage is either too high or too low.
Problem: The measurement power supply (located on the analog board) is not work-
ing properly.
Possible Causes :
• A loose cable from the microprocessor assembly to the analog board.
• Bad microprocessor assembly.
• Bad analog board.
Problem: The negative voltage supply (located on the microprocessor assembly) is
not working.
Possible Causes:
• A loose cable from the microprocessor assembly to the analog board.
• A loose cable from the analog board to the scanner boards.
• Bad microprocessor assembly.
• Bad scanner assembly.
• Bad analog board.
Please see next page...
10 V HIGH
10 V LOW 10 V NOISY
8 V HIGH
8 V LOW 8 V NOISY
NEG V HIGH
NEG V LOW
NEG V NOISY