815-578-9145SVPM (Combination units) Alarm Codes List
When there’s an error with your CNC machine tool and an alarm is thrown, production halts and you’re stuck scrambling to find a solution. Refer to the table below to figure out what’s happening with your servo/spindle combination unit (SVPM) and what you must do to get it fixed.
If you need help identifying an alarm code, please give us a call for free over-the-phone support and determine if you have failed components that need repair or full replacement.
Speak with an experienced FANUC technician at Tri Star CNC Services to get to the root of the problem and get it fixed.
| Alarm Code | Description | |
|---|---|---|
|
Status 1 Spindle Unit |
Status 2 Servo Unit |
|
|
Not applicable |
Motor overheat |
|
|
Not applicable |
Excessive speed deviation |
|
|
Not applicable |
DC link fuse is blown |
|
|
Not applicable |
Open phase in the converter main power supply |
|
|
Not applicable |
Temperature sensor disconnected |
|
|
Not applicable |
Excessive speed |
|
|
Not applicable |
Main circuit overload/IPM overheat |
|
|
Not applicable |
Converter: DC link overvoltage |
|
|
Not applicable |
IPM alarm |
|
|
Not applicable |
Program sum check error |
|
|
Not applicable |
Excessive offset of the phase U current detection circuit |
|
|
Not applicable |
Excessive offset of the phase V current detection circuit |
|
|
Not applicable |
Position sensor polarity setting incorrect |
|
|
Not applicable |
Serial transfer data error |
|
|
Not applicable |
Position coder disconnected |
|
|
Not applicable |
Short-period overload |
|
|
Not applicable |
Overcurrent in the converter input circuit |
|
|
Not applicable |
Motor lock alarm |
|
|
Not applicable |
Serial communication LSI RAM error |
|
|
Not applicable |
Converter: DC link precharge failure |
|
|
Not applicable |
Parameter data out of the specifiable range |
|
|
Not applicable |
Gear ratio parameter error |
|
|
Not applicable |
Error counter overflow |
|
|
Not applicable |
Speed detector parameter error |
|
|
Not applicable |
Position coder one-rotation signal detection error |
|
|
Not applicable |
Position coder one-rotation signal not detected |
|
|
Not applicable |
Position sensor one-rotation signal detection error during thread cutting |
|
|
Not applicable |
Position coder signal error |
|
|
Not applicable |
Excessive speed command calculation value during spindle synchronization |
|
|
Not applicable |
Converter: DC link undervoltage |
|
|
Not applicable |
ITP signal error I |
|
|
Not applicable |
ITP signal error II |
|
|
Not applicable |
Current overload alarm |
|
|
Not applicable |
Converter: main circuit overload |
|
|
Not applicable |
Motor sensor disconnected |
|
|
Not applicable |
CRC test alarm |
|
|
Not applicable |
Abnormal initial test operation |
|
|
Not applicable |
Motor sensor one-rotation signal detection error |
|
|
Not applicable |
Motor sensor one-rotation signal not detected |
|
|
Not applicable |
Motor sensor signal error |
|
|
Not applicable |
Spindle sensor disconnected |
|
|
Not applicable |
Spindle sensor one-rotation signal detection error |
|
|
Not applicable |
Spindle sensor one-rotation signal not detected |
|
|
Not applicable |
Spindle sensor signal error |
|
|
Not applicable |
Program ROM error |
|
|
Not applicable |
Communication error between amplifier and module |
|
|
Not applicable |
Converter: control power supply low voltage |
|
|
Not applicable |
Communication data alarm |
|
|
Not applicable |
Inverter: control power supply undervoltage |
|
|
Not applicable |
Inverter: DC link undervoltage |
|
|
Not applicable |
Inverter: motor current alarm (L axis) |
|
|
Not applicable |
Inverter: motor current alarm (M axis) |
|
|
Not applicable |
Inverter: motor current alarm (N axis) |
|
|
Not applicable |
Inverter: IPM alarm (L axis) |
|
|
Not applicable |
Inverter: IPM alarm (M axis) |
|
|
Not applicable |
Inverter: IPM alarm (N axis) |
|
|
Not applicable |
Inverter: cooling fan stopped of the radiator |
|
|
Not applicable |
Inverter: overheat |
|
|
Not applicable |
Communication error between amplifier and module |
|
|
Not applicable |
FSSB communication error (COP10B) |
|
|
Input power supply is abnormal (open phase) |
||
|
DC voltage at the DC link is abnormally high |
||
|
The main circuit power module (IPM) has detected an abnormal condition. |
||
|
The main circuit capacitor was not recharged within the specified time |
||
|
In the main circuit, the DC voltage (DC link) has dropped. |
||
|
Temperature of the main circuit heat sink has risen abnormally |
||
|
Internal cooling circuit faulty |
||
|
Power supply voltage decrease |
||
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