Instruction manual

53
3.5.4. ERROR MESSAGES
Table 3-9 shows all of the possible error messages displayed on the front panel display. The
cause of the error messsage is also shown.
Table 3-9: Front Panel Display Error Messages
ERROR MESSAGE CAUSE
CRL FAULT Indicate output current exceeds program current.
OUTPUT (1) FAULT Incorrect sense line connection. Overload on indicated
output.
MODULE FAILURE Amplifier overtemperature or failure
CPU MEMORY FAULT CPU failed self-test
DMA OVERFLOW Remote message greater than 256 bytes.
EXT SYNC ERROR No external sync input at System Interface connector.
Signal is not between 45 and 550 Hz.
BUS LOCAL ERROR Remote message sent while AC Power System is in local.
SYNTAX ERROR Incorrect syntax received from IEEE-488 ,,Remote
Interface
AMP RANGE ERROR Attempt to program AMP value greater than RNG value.
FRQ RANGE ERROR Attempt to program FRQ less than 45 (2) or greater than
550.
PHZ RANGE ERROR Attempt to program PHZ greater than ±999.9
CRL RANGE ERROR Attempt to program CRL greater than the maximum current
allowed for the voltage range.
RNG RANGE ERROR Attempt to program RNG greater than the maximum
voltage range.
RMPA RANGE ERROR Attempt to program STP, DLY or VAL greater than the
maximum.
DIV ERROR Consult factory.
OVERFLOW ERROR Consult factory.
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(1) May be any combination of A, B or C.
(2) May be down to 17 Hz with reduced output voltage.