Table of Contents
Advertisement
Checking the COVER INTERLOCK SWITCHES
[1] Enter mode 7. See
[2] Install the COVER on the PROCESSOR.
[3] Check that LED 7 on the DRIVE BOARD is illuminated.
[4] If LED 7 is not illuminated, measure the resistance of the COVER INTERLOCK SWITCHES.
[5] Remove the COVER and make the measurements again:
SWITCH
SW55
PIN 1 and PIN 2 at CNP10 on the DRIVE
BOARD
SW54
PIN 1 and PIN 2 at CNP11 on the DRIVE
BOARD
[6] If the resistances are not correct, install new COVER INTERLOCK SWITCHES.
Checking the DRIVE MOTOR
Service
High
Ready
Low
Dev. Temperature
H164_0034AC
[6] If LED 1 illuminates but the DRIVE MOTOR does not operate, check the voltage of the DRIVE MOTOR:
PIN 1 and PIN 2 on DRIVE BOARD CONNECTOR CN2
[7] Is the voltage correct?
a. Check the DRIVE MOTOR.
b. If necessary, install a new DRIVE MOTOR.
9B8949 – 10SEP02
Setting the Diagnostic
Modes.
Position
RUN
DEV.
FIX.
Rep.
Position
Yes
• Approximately 0 Ohms with the COVER
installed
• Open circuit without the COVER
• Approximately 0 Ohms with the COVER
installed
• Open circuit without the COVER
[1] Do
Checking the COVER INTERLOCK
SWITCHES.
[2] Install the COVER on the PROCESSOR.
[3] Enter mode 7.
[4] Press and hold the "RUN" BUTTON on the
CONTROL BOARD.
Note
Pressing and holding the "RUN" BUTTON operates the
DRIVE MOTOR and illuminates LED 1 on the DRIVE
BOARD.
[5] Does LED 1 illuminate?
Yes
Continue with
Step
6.
Approximately 100 V AC
No
Continue with
Step
8.
Diagnostics
Resistance
No
a. Check:
• I/O BOARD
• I/O BOARD/DRIVE
BOARD CABLE
b. If necessary, install a new
part.
Voltage
77
Advertisement
Table of Contents
