Brother rh-918a manual List Of Error Codes, Errors during operation, Hardware errors

12. LIST OF ERROR CODES

Errors during operation

Code

Explanation

Resetting method

E-71

Needle down sensor is not activated within a

Turn off the power and check that connector P2 on the control

specified time.

circuit board is properly connected.

1. Turn off the power.

E-72

Cutter

sensor

is

not

activated

within

a

2.

Check that air is reaching the valve.

specified time.

3.

Check that connectors P3 and P4 on the control circuit board

are properly connected.

1. Turn off the power.

E-75

Lower

thread

trimming

OFF sensor

is

not

2.

Check that air is reaching the valve.

activated within a specified time.

3.

Check that connector P8 on the control circuit board is properly

connected.

E-76

Needle up sensor is OFF during test feeding.

Turn off the power and turn the pulley by hand to raise the needle

bar to its highest position.

E-77

Synch

signal

is

not

activated

within

a

Turn off the power and check that connector P2 on the control

specified time.

circuit board is properly connected.

X home

position

sensor is

not

set

to ON

Turn off the power and check that connector P7 on the control

E-80

within

a

specified

time

of

searching

home

circuit board is properly connected.

position.

E-81

Y home position sensor is not set to ON

Turn off the power and check that connector P6 on the control

within a specified time of searching home

circuit board is properly connected.

position.

1. Turn off the power.

θ home position sensor is not set to ON

2. Check that connectors P11 and P13 on the control circuit board

E-82

within a specified time of searching home

are properly connected.

position.

3. Check that connectors P1, P2 and P3 on the θ axis PMD circuit

board are properly connected.

E-89

Machine motor reverse operation error

Turn off the power and check that the motor cord is properly

connected.

Hardware errors

Code

Explanation

Resetting method

1. Turn off the power.

Communication error (against machine motor

2. Check that connector P18 on the control circuit board is properly

E-90

connected.

CPU)

3. Check that connector P1 on the panel circuit board is properly

connected.

E-91

Machine motor running error

Turn off the power and check that connector P2 on the control

circuit board is properly connected.

1. Turn off the power.

E-92

Abnormal voltage error

2. Check that the power supply voltage matches the rated voltage.

3. Check that connector P20 on the control circuit board is properly

connected.

E-93

Fan (large) lock error

Turn off the power and check that connector P10 on the control

circuit board is properly connected.

E-94

Fan (small) lock error

Turn off the power and check that connector P25 on the control

circuit board is properly connected.

E-95

X motor overcurrent error

Turn off the power and check that connector P7 on the control

circuit board is properly connected.

E-96

Y motor overcurrent error

Turn off the power and check that connector P6 on the control

circuit board is properly connected.

E-97

Control circuit board temperature rise error

Turn off the power and check that the inside of the control box is

being properly ventilated.

E-98

Power supply relay error

Turn off the power and check that connector P20 on the control

circuit board is properly connected.

E-99

Power supply circuit board overcurrent error

Turn off the power and check that connectors P12 and P13 on the

control circuit board are properly connected.

79

RH-981A