Coats ProRide Wheel Balancer User Manual download pdf (Page 30)

26 • Important: Always read and follow instructions.

Troubleshooting

The machine recognizes a number of incorrect

operations and displays this as an error message. Listed

below are faults that the user can remedy if the cause

is found to be among those indicated. Any other defect

or malfunction will require the attention of a qualified

technician: Contact your nearest COATS

service center.

ERROR CAUSE REMEDY

Black

The wheel balancer does not switch

on.

1. Verify correct connection to the mains.

2. Verify and eventually replace the fuses on the power card.

3. Verify monitor function.

4. Replace the computer board.

Err. 1

No rotation signal. 1. Check in self-diagnostics that the encoder functions properly.

2. Replace the phase pick-up board.

3. Replace the computer board.

Err. 2

Speed too low during detection.

During unbalance measurement

rotation, wheel speed is less than 42

rpm.

1. Make sure a vehicle wheel is mounted properly on wheel balancer.

2. Check in self-diagnostics that the encoder functions properly.

3. Disconnect the piezo connectors from the board and do a spin (if no

error is detected, replace the piezo sensors).

4. Replace the computer board.

Err. 3

Out of balance too high. 1. Verify wheel dimension settings.

2. Check detection unit connections.

3. Perform machine calibration.

4. Mount a wheel with more or less known out of balance (less than

100 grammes) and verify the response of the machine.

5. Replace the computer board.

Err. 4

Rotation in opposite direction.

After pressing [START], the wheel

starts turning in the opposite direc-

tion (anticlockwise).

1. Check in self-diagnostics that the encoder functions properly

2. Check the bearing/spring of the phase generator

Err. 5

Guard open

The [START] pushbutton was pressed

without first closing the guard.

1. Reset the error by pressing pushbutton [7]=End.

2. Close the guard.

3. Verify the function of the protection uSwitch.

4. Press the [START] pushbutton.

Err. 7, 8 or

NOVRAM parameter read error 1. Repeat machine calibration

2. Shut down the machine.

3. Wait for a minimum time of ~ 1 Min.

4. Re-start the machine and verify correct operation.

5. Replace the computer board.

Err. 9

NOVRAM parameter write error. Replace the computer board.

Err. 11

Speed too high error.

During out of balance measurement

rotation, wheel speed is more than

270 rpm.

1. Check if there is any damage or dirt on the timing disc.

2. Check in self-diagnostics that the encoder functions properly.

3. Replace the computer board.

Err. 14, 15,

16, 17, 18

or 19

Out of balance measurement error. 1. Check in self-diagnostics that the encoder functions properly

2. Check detection unit connections.

3. Verify machine earth/ground connection.

4. Mount a wheel with more or less known out of balance (less than

100 grammes) and verify the response of the machine.

5. Replace the computer board.

Err. 22

Maximum number of spins possible

for the out of balance measurement

has been exceeded.

1. Check that a vehicle wheel has been mounted properly on the wheel

balancer.

2. Check in self-diagnostics that the encoder functions properly.

3. Replace the computer board.

Err. 30

Clock error Replace the computer board.

Err. 40, 41,

42 or 43

Eccentricity graph plotting procedure

error.

erform a new eccentricity measurement.

Err. 45, 46,

47 or 48

Eccentricity graph value display read-

out error.

Perform a new eccentricity measurement.

Err. 50, 51,

52 or 53

Eccentricity graph current value cur-

sor plotting procedure error.

Perform a new eccentricity measurement.

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Coats ProRide Wheel Balancer User Manual Page 30

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