Yaskawa YASNAC PC NC Maintenance Manual Manuale Utente Scaricare il pdf (Pagina 64)

Chapter 4: Troubleshooting PC NC Maintenance Manual

4-43

An error number of AL-80 ~ AL-9F is displayed only by the host NC unit.

They are not displayed in a digital operator of VS-626M5.

Table 4.18: Alarm Descriptions

Number Name Content

Fault

Code

Rank

AL-01 Overcurrent Output current flowed more than the overcurrent

detection value or the inverter output (load) was

short-circuit.

0000 A

AL-02 Ground fault Ground fault current in the inverter output side

exceeded the ground fault detection level.

0000 A

AL-04 Main circuit fuse open

circuit

The DC circuit fuse fused. 0000 A

AL-05 Inverter output overload Output current flowed more than 120% /min. at 30

min. rating.

0000 A

AL-10 Converter error An error occurred in the converter unit. 0001 A

AL-11 Main circuit overvoltage Main circuit DC voltage exceeded the overvoltage

setting value.

0001 A

AL-12 Main circuit low voltage Main circuit DC voltage went below the low voltage

detection level while driving.

0001 A

AL-13 Control circuit low volt-

age

Control circuit power supply went below the low

voltage detection level.

0001 A

AL-20 Wiring switch over drive

defect

Wiring switch over drive did not complete in setting

time or less.

0010 A

AL-21 Emergency stop drive

defect

Did not stop within ten seconds after the specified

the emergency stop.

0010 A

AL-30 Encoder signal discon-

nection

Motor encoder signal conductor disconnection/

improper connection.

0011 A

AL-31 Overspeed of motor Motor speed exceeded 120% of setting rated

speed.

0011 A

AL-32 Speed over-deviation Speed became 50% or less of the command value. 0011 A

AL-33 Load error Inverter output opening (speed feedback is 0.) 0011 A

AL-40 Motor overheat (minor

fault)

Motor temperature exceeded the upper limit. 0100 B

AL-41 Motor overheating 2 Motor temperature exceeded the upper limit for

one minute or more.

0100 A

AL-42 Motor thermistor discon-

nection

Thermistor for the motor temperature detection

was disconnected.

0100 A

AL-43 Heat sink overheating

(minor fault)

Heat sink temperature exceeded the upper limit. 0100 B

AL-44 Heat sink overheating 2 Heat sink temperature exceeded the upper limit for

one minute or more.

0100 A

AL-45 Heat sink thermistor dis-

connection

Thermistor for the heat sink temperature detection

was disconnected.

0100 A

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 300 301

Commenti su questo manuale

Nessun commento

Yaskawa YASNAC PC NC Maintenance Manual Manuale Utente Pagina 64

Commenti su questo manuale

Prodotti e manuali riguardandi Apparecchiature Yaskawa YASNAC PC NC Maintenance Manual