Saf OPAL SS6 User Manual download pdf (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

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