7-22 Trips and Fault Finding
DC590+ DRV Series DC Digital Drive
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 key and perform a PARAMETER SAVE.
The Drive will be returned to its factory default values.
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 key and reload the correct language or
de-select the second language.
Setting Trip Conditions
The following parameters in the CALIBRATION and ALARMS menus are used to set trip conditions:
CALIBRATION :: OVER SPEED LEVEL
ALARMS :: SPDFBK ALM LEVEL
ALARMS :: STALL THRESHOLD
ALARMS :: STALL TRIP DELAY
ALARMS :: REMOTE TRIP DELAY
Viewing Trip Conditions
The following parameters in the ALARMS menu can be viewed to investigate trip conditions:
LAST ALARM
HEALTH WORD
HEALTH STORE
THERMISTOR STATE
SPEED FBK STATE
STALL TRIP
REMOTE TRIP
There are ten parameters in the ALARMS HISTORY function block that store the most recent alarm events.
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