SAF OPAL SS6 - Manual (Page 44)

OPAL SS6 Reduced Voltage Starters
Page 37
8.0 TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE CORRECTION
OVER TEMP
(LD1) lit
Fan failure Replace fan
Fan blockage Clear blockage
Jumper missing from OT
Replace jumper, units without fans
only
READY (LD2)
not lit
Fault present Refer to section 3.5 FAULTS
Does not start &
RUN (LD3)
doesn't illuminate
Control wiring
Refer to section 6 TYPICAL
CONNECTIONS and check wiring
MOTOR OVRLD
(LD4) lit
Shorted motor or output Check motor and output
SW2 not calibrated for
motor Refer to current calibration chart on
unit
Burden pack not installed
or not installed correctly Install burden pack and/or correctly
Motor overload
trips before motor
is up to speed
SW2 setup may be wrong
Confirm SW2 is setup for the motor
connected
RAMP and STEP setup or
extended overload
necessary
Increase RV1 and RV2, refer to
section 4
+15V (LD5) not lit Control voltage not present
Check control voltage and FU1 on
control card
Motor runs in
wrong
direction
Phase reversal
Interchange any two incoming or
motor leads
Neons 1, 3, or 5
not lit at stop
Shorted SCR
Measure continuity between line and
output terminals
Motor not connected Connect motor
Neons 2, 4, or 6
not lit
3ø supply Check incoming line voltage
Motor sounds
rough when
starting
Loose connections or gate
leads
Confirm good connections and all gate
leads to SCR's and the CA392 control
card are secure
Motor starts
similar to
across the line
Lightly loaded
Decrease STEP and RAMP or maybe
try CONSTANT CURRENT mode
Incorrect line, terminal and
bypass connections
Incoming lines must be connected to
L1, L2, L3
Motor must be connected to T1, T2,T3
Bypass contactor must be connected to
BPM L1-3, BPM T1-T3