
7. TROUBLESHOOTING
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(1) Execute the following procedure when no manual nor automatic
operation is done
(2) Check whether position display shows correct position
(3) Check Power Mate status display
(4) Check Power Mate internal status using diagnostic function
(1) Check CNC status display (Refer to 1.7 POWER MATE STATE
DISPLAY)
(a) Emergency stop status (Emergency stop signal is turned on)
If status display shows
EMG
the emergency stop signal is
input. Check the following signal using the PMC’s diagnostic
function (PMCDGN).
1 When built in I/O card is used.
#7 #6 #5 #4 #3 #2 #1 #0
X1000 *ESP
G0008 *ESP
ESP=0 indicates that emergency stop signal is input.
(b) It is a reset status
When RESET is displayed, any of a reset is functioned. Check
the following signal using the PMC’s diagnostic funciton
(PMCDGN).
1 An input signal from the PMC functions
#7 #6 #5 #4 #3 #2 #1 #0
G0008 ERS RRW
When ERS is 1, external reset signal is input.
When RRW is 1, reset & rewing signal is input.
2 RESET key on the CRT/MDI keyboard functions
When the signals in 1 above are off, the
RESET
key may be
functioning. Check the contact of the
RESET
key using a
multimeter, or remove the CRT/MDI. (A DPL/MDI is not
provided with the
RESET
key.)
When it is abnormal, change the keyboard.
(c) Confirm the status of modes
Operation mode status is displayed on the lower part of CRT as
follows :
If nothing is displayed, mode select signal is not input. Check
mode select signal using PMC’s diagnostic function
(PMCDGN).
For details, refer to section 1.7 POWER MATE STATE
DISPLAY.
7.3
NO MANUAL OPERA-
TION NOR AUTOMAT-
IC OPERATION CAN
BE EXECUTED
Points
Causes and
Countermeasures
1. Position display
(relative, absolute,
machine coordinate)
does not change