
3. TROUBLESHOOTING
B-65165E/02 TROUBLESHOOTING AND ACTION
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3.4.1.22 Alarm code 32
LSI memory for serial communication is abnormal. A check is made
when the power is turned on.
If this alarm is issued, replace the SPM or SPM control printed circuit
board.
3.4.1.23 Alarm code 33
The PSM could not be charged within a specified time.
PSM input has an open phase.
(1) If the PSM indicates alarm code 5
Troubleshoot according to the description of alarm code 5
provided in Section 3.1 of Part II.
(2) If the PSM indicates no alarm
(a) A cable is faulty.
The connection cable between the PSM (JX1B) and SPM
(JX1A) is faulty. Replace the cable.
(b) The SPM is faulty.
Replace the SPM or SPM control printed circuit board.
3.4.1.24 Alarm code 34
Parameter data outside the specifiable range was set.
Troubleshooting when this alarm is issued
Connect the spindle check board.
The spindle check board displays "AL-34" and "F-xxx"
alternately. "F-xxx" indicates a parameter number outside the
specifiable range. For the correspondence between the CNC
parameter numbers and "F-xxx," refer to "FANUC AC SPINDLE
MOTOR α series Parameter Manual (B-65160E)."