Trips and Fault Finding 7-11
DC590+ Series DC Digital Drive
Frame 6
Eight diagnostic LEDs indicate further trip information, and general status of the unit. The LEDs go out to indicate a problem (note that LED1 may
also flash as the SMPS attempts to power-up repeatedly, indicating a fault).
Trips
Power Board
switched mode power supply on SMPS OK
|
LED1
trigger board connection status TRIGGER BOARD PRESENT
|
LED9
ACCTS FAILED
ac current transformer connection status ACCTS PRESENT
|
LED10
3 PHASE FAILED thyristor fuses status THYRISTOR FUSES
|
LED11
field heatsink temperature normal FIELD THERMOSTAT
|
LED12
L1 Phase Assembly heatsink temperature
normal
L1 STACK THERMOSTAT | LED13
L2 Phase Assembly heatsink temperature
normal
L2 STACK THERMOSTAT | LED14
L3 Phase Assembly heatsink temperature
normal
L3 STACK THERMOSTAT | LED15
HEATSINK TRIP
Fans stalled L* FAN
|
Fan LEDS
* In the event of a trip due to a stalled fan, an unlit fan LED will indicate the failed fan. With the drive stopped, operate the fan fail override switch
and restart the drive. Diagnose the failed fan from the fan LEDs status.
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