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

Page 86
Image 86
Brother rh-918a manual Hardware errors

rh-918a specifications

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