8. ELECTRIC MECHANISM

Error status

#6 Home position is not correct.

 

 

 

 

 

 

Probable causes

Check/ repair/ adjust

Parts to be replaced

1. Home position sensor not

• Check the status of home position signals.

 

 

 

adjusted properly

 

(Detect the home position and check the

 

 

 

 

 

 

 

monitor lamps (red) of the X and Y home

 

 

 

 

 

 

 

position sensors.)

 

 

 

 

 

 

 

<KE-430*, 431*, 432*, 433B, BE-438*>

 

 

 

 

 

 

 

X is illuminated and Y is off.

 

 

 

 

 

 

 

<KE-434*, 435*, 436*, 484C>

 

 

 

 

 

 

 

Both X and Y are off.

 

 

 

 

 

 

 

In the above cases, adjust the position of

 

 

 

 

 

 

 

the home position dog. (See “5-24.

 

 

 

 

 

 

 

Adjusting the home position.”)

 

 

 

 

 

 

 

For any other cases, carry out inspection

 

 

 

 

 

 

 

#8.

 

 

 

 

 

 

Error status

#7 Work clamp does not return to the home position even after the foot switch is depressed.

 

 

 

Probable causes

Check/ repair/ adjust

Parts to be replaced

1. Foot switch and cord defec-

(Make sure that the power is turned off.)

Foot switch

 

tive

 

 

 

• Remove the connector for foot switch

 

 

 

(First

Connector on the cord

connected to the outside of the control

 

 

 

 

 

 

box, and check the continuity between

 

 

 

position)

 

 

 

 

 

 

Work

 

 

 

pins 1 and 2, and pins 7 and 8 in the

 

 

 

clamp

 

 

 

connector on the cord. (For pneumatic

 

 

 

(Second

 

 

 

specification, check the continuity be-

 

 

 

 

 

 

tween pins 3 and 4.)

 

 

 

position)

 

 

 

The continuity in each case should be

 

 

 

Start

 

 

 

 

 

 

 

 

 

 

normally ∞ Ω or 0 Ω when the foot switch

 

 

 

 

Second position work clamp

is depressed.

 

 

 

3636Q

(Pneumatic only)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Any cord in the control box is

• Insert the connector checked above, open

Foot

switch

cord

defective

 

 

 

the control box, and check the continuity

assembly

 

 

 

 

 

between pins 1 and 2, pins 3 and 4 in the

 

 

 

 

 

 

 

connector P17 (FOOT) on the main circuit

 

 

 

 

 

 

 

board. (For pneumatic specification, check

 

 

 

 

 

 

 

the continuity between pins 5 and 6.)

 

 

 

 

 

 

 

(Without removing the connector, put a

 

 

 

 

 

 

 

tester from the lead side.)

 

 

 

 

 

 

 

The continuity in each case should be

 

 

 

 

 

 

 

normally ∞ Ω, or 0 Ω when the foot switch

 

 

 

Start

Work

Work clamp

is depressed.

 

 

 

 

 

 

 

 

clamp

(second position)

 

 

 

 

 

 

(Pneumatic only)

 

 

 

 

 

 

 

3637Q

 

 

 

 

 

 

 

Error status

#8 Error code appears on the display window when the foot switch is depressed.

 

 

 

 

Probable causes

Check/ repair/ adjust

Parts to be replaced

1. Fuse has blown when the

• Remove fuse No.1 and check it for

Fuse 5A-250V

 

feed mechanism

does not

continuity. If there is no continuity, the

 

 

 

move and error code E-A0

fuse is defective. Proceed to #8-2.

 

 

 

appears

on

the

display

 

 

 

 

window.

 

 

 

 

 

 

 

([E.A1] KE-436B, 436C)

 

 

 

 

 

 

 

 

 

 

 

 

181

KE-430B, 430C series