Yaskawa YASNAC PC NC Maintenance Manual Bedienungsanleitung PDF herunterladen (Seite 176)

The VS-626M5 PC NC Maintenance Manual

4-155

Control circuit I/O

fault 1

Data transmission error

between CPUs.

Replace the control PC board. _›_›_œ_›

Control circuit I/O

fault 2

_›_›_œ_›

Control circuit I/O

fault 3

_›_›_œ_›

Motor code

selection error

Selected motor code (C1-25)

does not match inverter

capacity (C1-56).

Check motor model, motor code

(C1-25), inverter model and

inverter capacity selection (C1-

56).

_›_›_›_œ

Motor code

unrecorded

Motor code set in C1-25 is not

recorded.

Check motor model and motor

code (C1-25).

Check setting list for correct

PROM version of motor code

(C1-25).

_›_›_›_œ

Constant setting

range error

Memory (EEPROM) data

exceeded upper/lower limit.

Check that rated speed (C1-26)

is within setting range.

Check control constants.

Replace the control PC board.

_›_›_›_œ

Orientation card

mismatch

Selected orientation bit does

not match orientation card.

Check orientation card model

and orientation selection signal

(bit 0 of C1-39).

Replace the orientation card.

_›_›_›_œ

Inverter capacity

selection error

Selected inverter capacity

(C1-56) does not match the

unit.

Check inverter model and

inverter capacity selection (C1-

56).

_›_›_›_œ

ROM error Memory (PROM) error Replace the control PC board. _›_›_›_›

EEPROM error 1 Memory (EEPROM) error _›_›_›_›

EEPROM error 2 _›_›_›_›

EEPROM error 3 _›_›_›_›

EEPROM error 4 _›_›_›_›

Control circuit fault

1 (operator trans-

mission

error)

Transmission between the

inverter and the digital opera-

tor cannot be established until

5 seconds after supplying

power. Built-in memory fault,

WDT activated.

Insert the digital operator con-

nector again.

Check the wiring of power sup-

ply signal line of 1CN.

Replace the control PC board.

Control circuit fault

2 (operator trans-

mission

error)

Transmission between the

inverter and the digital opera-

tor is established once after

supplying power, but later

transmission fault continues

for more than 2 seconds.

WDT time exceeded.

Table 4.37: Fault Diagnosis and Inverter Corrective Actions (Continued)

Fault Number Name Contents Corrective Action Fault Code

1 2 ... 171 172 173 174 175 176 177 178 179 180 181 ... 300 301

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