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Trips and Fault Finding
7-11
590+ Series DC Digital Converter
Symbolic Alarm Messages
These are generally internal software or hardware. If these should occur please investigate, or
contact SSD Drives Technical Support.
Number
Description
Action
0xF003 Pre-Ready Fault
Coding not present. Replace power board or chassis.
0xF004 Aux Contactor Open
The internal auxiliary 3-phase contactor failed to close.
Check the position of the Calibration Scaling Switch -
refer to Chapter 4: "Operating the Converter" -
Calibration.
0xF005 External Trip
Ext Trip (C2) open circuit.
0xF006 Remote Trip
REM. SEQUENCE parameter Remote Trip flag set to zero.
0xF008 Calibration Scaling
Switch
Control Board Calibration Scaling Switch should be in
the "ON" (1) position.
0xFF03 Aux Power Fail
Check Aux. Supply and/or Mains Input.
Self Test Alarms
Self Test Alarm and Meaning
Possible Reason for Alarm
(EEPROM) CHECKSUM FAIL
Parameters not saved, or are corrupted.
(The alarm appears at power-up or at the end of
“Upload” UDP Transfer)
Corrupted UDP file loaded - press the E
E key and
perform a PARAMETER SAVE. The Converter will be
returned to its factory default values.
ENABLE CONFIG.
The ENABLE CONFIG. parameter has
been left in the Enable state.
Select Disable for the ENABLE CONFIG. parameter
LANGUAGE CHECKSUM FAIL
Incorrect language selected, or
corrupted
(The alarm appears at power-up or at the end of
“Upload” UDP Transfer)
Corrupted UDP file loaded - press the E
E key and
reload the correct language or de-select the second
language.
INIT CAL FAIL
Self calibration of analog inputs has
exceeded normal tolerance
(The alarm appears at power-up)
As a temporary measure, the tolerance can be
increased by 0.1% with each press of the E
E key,
however, this indicates a hardware fault - refer to SSD
Drives.
IA FBK CAL FAIL / IA INST CAL FAIL
The self calibration of the armature
current has failed
(The alarm appears at power-up)
If powering the unit off and on does not remove the
problem, a hardware failure is suspected. Refer to
SSD Drives.
Setting Trip Conditions
The following parameters in the CALIBRATION menu are used to set trip conditions:
OVER SPEED LEVEL
SPDFBK ALM LEVEL
STALL THRESHOLD
STALL TRIP DELAY
REMOTE TRIP DELAY