U2: Fault Trace

U2-01

(0080)

Current Fault

Shows the fault that the drive has when viewing the monitor.

No signal output available

U2-02

(0081)

Previous Fault

Shows the fault that occurred most recently.

No signal output available

U2-03

(0082)

Freq Reference@Fault

Shows the frequency reference at the fault that occurred most recently.

Use U1-01 [Frequency Reference] to monitor the frequency reference value.

No signal output available

U2-04

(0083)

Output Freq @ Fault

Shows the output frequency at the fault that occurred most recently.

Use U1-02 [Output Frequency] to monitor the actual output frequency.

No signal output available

U2-05

(0084)

Output Current@Fault

Shows the output current at the fault that occurred most recently.

Use U1-03 [Output Current] to monitor the output current. The keypad shows the value of U1-03 in amperes (A).

When you use MEMOBUS/Modbus communications to show the monitor, the current is “8192 = drive rated current (A)”. Use the formula: “Numerals being displayed / 8192 × drive rated current (A)” to use the MEMOBUS/Modbus communication current value shown in the monitor.

No signal output available

U2-06

(0085)

Motor Speed @ Fault

Shows the motor speed at the fault that occurred most recently.

Use U1-05 [Motor Speed] to monitor the motor speed.

No signal output available

U2-07

(0086)

Output Voltage@Fault

Shows the output voltage reference at the fault that occurred most recently.

Use U1-06 [Output Voltage Ref] to monitor the output voltage reference.

No signal output available

U2-08

(0087)

DC Bus Voltage@Fault

Shows the DC bus voltage at the fault that occurred most recently.

Use U1-07 [DC Bus Voltage] to monitor the DC bus voltage.

No signal output available

U2-09

(0088)

Output Power @ Fault

Shows the output power at the fault that occurred most recently.

Use U1-08 [Output Power] to monitor the output power.

No signal output available

U2-10

(0089)

Torque Ref @ Fault

Shows the torque reference at the fault that occurred most recently as a percentage of the motor rated torque.

Use U1-09 [Torque Reference] to monitor the torque reference.

No signal output available

U2-11

(008A)

Input Terminal Status @ Fault

Shows the status of the MFDI terminals at the most recent fault where 1 = (ON) and 0 = (OFF).

For example, U2-11 shows “00000011” when terminals S1 and S2 are ON.

Use U1-10 [Input Terminal Status] to monitor the MFDI terminal status.

bit0

Terminal S1

Shows the status of MFDI terminal S1.

bit1

Terminal S2

Shows the status of MFDI terminal S2.

bit2

Terminal S3

Shows the status of MFDI terminal S3.

bit3

Terminal S4

Shows the status of MFDI terminal S4.

bit4

Terminal S5

Shows the status of MFDI terminal S5.

bit5

Terminal S6

Shows the status of MFDI terminal S6.

bit6

Terminal S7

Shows the status of MFDI terminal S7.

bit7

Terminal S8

Shows the status of MFDI terminal S8.

No signal output available

U2-12

(008B)

Output Terminal Status @ Fault

Shows the status of the MFDO terminals at the most recent fault where 1 = (ON) and 0 = (OFF).

For example, U2-12 shows “00000011” when terminals M1 and M3 are ON.

Use U1-11 [Output Terminal Status] to monitor the MFDO terminal status.

bit0

Terminal M1-M2

Shows the status of MFDO terminals M1-M2.

bit1

Terminal M3-M4

Shows the status of MFDO terminals M3-M4.

bit2

Terminal P1-C1

Shows the status of multi-function photocoupler output terminals P1-C1.

bit3

Terminal P2-C2

Shows the status of multi-function photocoupler output terminals P2-C2.

bit4

Not used (normal value of 0).

 

bit5

Not used (normal value of 0).

 

bit6

Not used (normal value of 0).

 

bit7

Fault relay MA/MB-MC

Displays the status of fault relay output terminals MA/MB-MC.

No signal output available

U2-13

(008C)

Operation Status @ Fault

Shows the status of the MFDO terminals at the most recent fault where 1 = (ON) and 0 = (OFF).

For example, U2-13 shows “00000001” during run.

Use U1-12 [Drive Status] to monitor the MFDO terminal status.

bit0

During Run

 

bit1

During zero-speed

 

bit2

During reverse

 

bit3

During fault reset signal input

 

bit4

During speed agreement

 

bit5

Drive ready

 

bit6

During minor fault detection

 

bit7

During fault detection

 

No signal output available

U2-14

(008D)

Elapsed Time @ Fault

Shows the cumulative operation time of the drive at the fault that occurred most recently.

Use U4-01 [Cumulative Ope Time] to monitor the cumulative operation time.

No signal output available

U2-15

(07E0)

SFS Output @ Fault

Shows the output frequency after soft start at the fault that occurred most recently.

Use U1-16 [SFS Output Frequency] to monitor the output frequency after soft start.

No signal output available

U2-16

(07E1)

q-Axis Current@Fault

Shows the q-Axis current of the motor at the fault that occurred most recently.

Use U6-01 [Iq Secondary Current] to monitor the q-Axis current of the motor.

No signal output available

U2-17

(07E2)

d-Axis Current@Fault

Shows the d-Axis current of the motor at the fault that occurred most recently.

Use U6-02 [Id ExcitationCurrent] to monitor the d-Axis current of the motor.

No signal output available

U2-19

(07E4)

ControlDeviation@Flt

Shows the amount of control axis deviation (Δθ) at the fault that occurred most recently.

Use U6-10 [ContAxisDeviation Δθ] to monitor the actual amount of control axis deviation (Δθ).

No signal output available

U2-20

(008E)

Heatsink Temp @Fault

Shows the heatsink temperature at the fault that occurred most recently.

Use U4-08 [Heatsink Temperature] to monitor the temperature of the heatsink.

No signal output available

U2-21

(1166)

Expert

STPo Detect @ Fault

Monitors conditions to detect STPo [Motor Step-Out Detected] faults. The bit for each condition is shown as ON or OFF.

bit0

Excessive current

 

bit1

Induced voltage deviation

 

bit2

d-axis current deviation

 

bit3

Motor lock at startup

 

bit4

Acceleration stall continue

 

bit5

Acceleration stall repeat

 

bit6

Not used (normal value of 0).

 

bit7

Not used (normal value of 0).

 

No signal output available

U2-27

(07FA)

Expert

Motor Temp @ Fault

Shows the motor temperature detected by the NTC thermistor when there is a fault. When H3-xx ≠ 17 [Terminal A1 to A3 Signal Level Select ≠ Motor Temperature (NTC Input)] , or L1-15 = 0 [Motor 1 NTC Thermistor Select = Disabled] and L1-17 = 0 [Motor 2 NTC Thermistor Select = Disabled] the drive shows 20 °C. The drive shows negative temperatures as 0 °C.

No signal output available