Alarm And Error Displays - YASKAWA CIMR-JA Series Installation & Start-Up Manual

5.3 Drive Alarms, Faults, and Errors
u

Alarm and Error Displays

n
Faults
When the drive detects a fault, the ALM indicator LEDs remain lit without flashing. If the
LEDs flash, the drive has detected a minor fault or alarm.
Alarms on page 124
can trip both faults and minor faults, therefore it is important to note whether the LEDs remain
lit or if the LEDs flash.
LED Operator
Display
MEMOBUS/Modbus
CE
Communication Error
CoF Current Offset Fault
CPF02 A/D Conversion Error
Drive specification
mismatch during Terminal
CPF06
Board or Control Board
replacement
CPF08 EEPROM Serial
Communications Fault
<1>
CPF11
RAM Fault
<1>
CPF12
FLASH Memory Fault
<1>
CPF14
Control Circuit Fault
<1>
CPF17
Timing Fault
<1>
CPF18
Control Circuit Fault
<1>
RAM Fault
CPF20
FLASH Memory Fault
or or
Watchdog Circuit Exception
CPF21
Clock Fault
<1>
Displayed as
starting the drive, the display will show CPF01
n Minor Faults and Alarms
When a minor fault or alarm occurs, the ALM LED flashes and the text display shows an
alarm code. A fault has occurred if the text remains lit and does not flash.
Detection on page
minor faults. It is therefore important to note whether the LEDs remain lit or if the LEDs flash.
124 YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual
for more information. Conditions such as overvoltage or external faults
Name
when occurring at drive power up. When one of the faults occurs after successfully
134. An overvoltage situation, for example, can trigger both faults and
Refer to Minor Faults and
LED Operator
Page
Display
oL1 Motor Overload
126
oL2 Drive Overload
126
oL3 Overtorque Detection 1
126
oPr
CPF22 A/D Conversion Error
126
CPF23 PWM Feedback Data Fault
CPF24 Drive Capacity Signal Fault
126
EF0 Option Unit External Fault
127
to EF1 to
EF5
127
oC
127
oH1 Heatsink Overheat
Err
127
Uv1 Undervoltage
127
Uv3 Soft Charge Circuit Fault
127
127
127
127
Name
Operator Connection Fault
External Fault (input
terminal S1 to S5)
Overcurrent
EEPROM Write Error
ov Overvoltage
PF Input Phase Loss
Refer to Alarm
Page
130
130
131
131
127
127
128
128
128
128
129
128
133
133
136
132