Troubleshooting guide – Rapid-Air STRAIGHTENER and PUSHBUTTON RAPID-ROLL: SC SERIES User Manual

Page 11

Advertising
background image



MAIN SWITCH ON BUT NOT LIT

1. CB tripped.

a. Reset CB

2. Unit not plugged into

main power.

a. Plug into main power source.

3. No power in incoming line.

a. Check outlet.

b. Check power cord.

4. Loose wiring.

a. Check terminals and

connections.

MOTOR CREEPS IN

STOP POSITION

1. “Min” speed pot on RAMM board

out of adjustment.

2. Dancer arm could be bent which

changes the home position of

the arm.

UNIT TURNS BUT WON’T JOG

1. Jog function was not selected.

a. Select jog.

2. Jog speed has not been set up.

a. Call factory.

UNIT ON BUT MOTOR WON’T RUN.

(ARMATURE VOLTAGE PRESENT –

ON RAMM BOARD)

1. Check motor wiring.

a. Replace motor cord or correct

motor wiring. Call factory.

2. Check motor.

a. Worn brushes or motor

defective. Call factory.

b. Check for oil in motor, gear box

seal could have ruptured.

UNIT ON BUT MOTOR WON’T RUN.

(NO ARMATURE VOLTAGE ON

RAMM BOARD)

1. Selector switch not in run

position.

a. Turn selector switch to

run position.

2. If running with a dancer arm

control.

a. Check that the external/loop

arm function is in the loop arm

position.

3. If running with external control.

a. Check that the external/loop

arm function is in the

external position.

4. Loop height switch setting

too high.

a. Set height setting to “0”.

5. Percent speed function set

too low.

a. Adjust percent speed

function to 100%.

6. Fuses blown.

a. Check fuses & circuit breaker.

7. No AC voltage at DC drive board.

a. Check wiring.

8. Check signal voltage between

P2 to P1 on DC drive.

0-6 VDC—RAMM

0-9 VDC—Regen Drive

while moving dancer arm.

a. If there is a signal, check

continuity between I1 & I2.

b. If no continuity, replace D.C.

drive or call factory.

9. Check Pico fuse on 69100804

board (F1).

a. Replace fuse, 1 amp pico

fuse—call factory.

troubleShooting guide

Advertising