8. ELECTRIC MECHANISM

Error status

#2 Error code appears on the display window when the power is turned on.

 

 

 

 

 

 

 

Probable causes

 

 

Check/ repair/ adjust

Parts to be replaced

2. PROM chip defective or main

a. Check the PROM chip is securely

PROM chip

 

circuit board defective when

 

attached to the main circuit board without

Main circuit board

 

the error code E-80 appears

 

its lead bent.

 

 

 

on the display window.

b. Check the PROM chip is attached to the

 

 

 

([E.c0] KE-436B, 436C)

 

main circuit board with letters MN and IM

 

 

 

 

 

 

 

 

on the PROM chip and those on the main

 

 

 

 

 

 

 

 

circuit board matching.

 

 

 

 

 

 

 

 

3. Foot switch remains pressed

•

See #7-1 and #7-2.

Foot switch

 

when error code E-81

 

 

Foot

switch

cord

appears

on

the

display

 

 

assembly

 

window.

 

 

 

 

 

 

 

 

([E.14], [E.15] KE-436B,

 

 

 

 

 

436C)

 

 

 

 

 

 

 

 

 

 

 

 

 

4. A switch on operation panel

•

Check that P8 (PANEL) connectors of the

Panel circuit board

 

remains pressed when error

 

main circuit board and P1 (PANEL)

Panel cord

 

code E-82 appears on the

 

connectors of the panel circuit board are

 

 

 

display window.

 

 

 

plugged in.

 

 

 

([E.17] KE-436B, 436C)

<KE-436B, 436C>

Panel circuit board

 

 

 

 

 

 

 

 

 

 

•

Check that P20 (RSPORT) connectors of

 

 

 

 

 

 

 

 

the main circuit board and P5 (DRV)

 

 

 

 

 

 

 

 

connectors of the panel circuit board are

 

 

 

 

 

 

 

 

plugged in.

 

 

 

 

 

 

 

 

5. Power supply voltage drops

a. Make sure that the power supply voltage

 

 

 

abnormally when error code

 

of the wall socket is within ±10% of the

 

 

 

E-90 appears on the display

 

voltage specification.

 

 

 

window.

 

 

 

b. See #1-2 and #1-3.

 

 

 

([E.90] KE-436B, 436C)

 

 

 

 

 

 

 

 

 

 

6. Power supply voltage rises

a. Make sure that the power supply voltage

 

 

 

abnormally when error code

 

of the wall socket is within ±10% of the

 

 

 

E-91 appears on the display

 

voltage specification.

 

 

 

window.

 

 

 

b. See #1-2 and #1-3.

 

 

 

([E.91] KE-436B, 436C)

 

 

 

 

 

 

 

 

 

7. Control box has overheated

a. Clean the ventilation outlet of the control

Main circuit board

 

when the error code E-d0

 

box.

 

 

 

appears

on

the

display

b. Keep the control box open for a while to

 

 

 

window.

 

 

 

 

allow the inside to cool down and then

 

 

 

([E.c2] KE-436B, 436C)

 

turn on the power again.

 

 

 

 

 

 

 

 

If the same code still appears on the

 

 

 

 

 

 

 

 

display, the main circuit board is

 

 

 

 

 

 

 

 

defective.

 

 

 

 

 

 

 

8. Main circuit board defective

• Turn on the power again.

Main circuit board

 

when the error code E-E0

 

If the same code still appears on the

 

 

 

appears

on

the

display

 

display, the main circuit board is defective.

 

 

 

window.

(other

than

 

 

 

 

 

KE-436B, 436C.)

 

 

 

 

 

 

 

 

 

 

 

 

9. Cord defective

when the

•

Check P2 (PER) connectors are attached

PER cord

 

error code E-F1 appears on

 

to the power supply circuit board and P16

 

 

 

the display window.

 

 

(PER) connectors are attached to the

 

 

 

([E.F1] KE-436B, 436C)

 

main circuit board. Check the cord

 

 

 

 

 

 

 

 

connecting P2 and P16 is not damaged.

 

 

 

 

 

 

 

 

 

 

 

 

179

KE-430B, 430C series