YASKAWA HV600 Technical Reference page 480

6.5 Faults
Code Name
FB02 Wait For Interlock Timeout
Note:
Do a Fault Reset to clear the fault.
Code Name
FB03 External Fault Bypass (EFB)
Note:
Do a Fault Reset to clear the fault.
Code Name
FB05 Motor Overload
Note:
Do a Fault Reset to clear the fault.
Code Name
FB06 External Overload 1
Note:
A Fault Reset is not necessary to clear the fault.
Code Name
FB07 External Overload 2
480
Causes
The digital input set to Run Interlock is open.
Causes
An digital input set for external fault (EFB) was
activated.
An external fault (EFB) was received from the serial
communications network.
Causes
The load is too heavy.
The cycle times for acceleration and deceleration are
too short.
You are driving a general-purpose motor below the
rated speed with a high load.
The motor current in E2-01 is incorrect.
The maximum output frequency in E1-03 is incorrect. Check the E1-03 setting and correct it.
You are operating more than one motor from one
bypass.
The electrical thermal protection characteristics and
the motor overload characteristics do not align.
The electrical thermal relay is operating at an
incorrect level.
Causes
The load is too heavy.
The cycle times for acceleration and deceleration are
too short.
You are driving a general-purpose motor below the
rated speed with a high load.
Causes
The load is too heavy.
The cycle times for acceleration and deceleration are
too short.
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Possible Solutions
• Install a NC BAS Interlock Circuit/Damper Interlock between
DI-x and IG-24 on PCB A2.
• Install a jumper between DI-2 and IG-24 on PCB A2. Use this
method when you will add a a safety circuit in the future or if
you will not use a safety circuit.
• Make sure that the input assigned for the Interlock is active in the
timeout period set in Z1-15.
Possible Solutions
Remove the cause of the external fault.
• Remove the cause of the external fault.
• Remove the external fault input from the controller.
• Make sure that the controller program is correct.
Possible Solutions
Decrease the load.
Increase the acceleration and deceleration times in C1-01 and C1-
02.
• Decrease the load
• Increase the speed
• If the motor is designed to operate at low speeds, increase the
motor capacity or use a motor designed to operate in the desired
speed range.
• Check the motor rated current.
• Enter the motor rated current as shown on the motor nameplate
to E2-01.
Set L1-01 = 0 to disable motor protection and install a thermal relay
to each motor.
• Make sure that the motor characteristics are correct for the
application.
• Set L1-01 to the correct type of motor protection.
• Install an external thermal relay.
• Check the current rating as shown on the motor nameplate.
• Check the E2-01 value.
Possible Solutions
Decrease the load.
Increase the acceleration and deceleration times in C1-01 and C1-
02.
• Decrease the load
• Increase the speed
• If the motor is designed to operate at low speeds, increase the
motor capacity or use a motor designed to operate in the desired
speed range.
Possible Solutions
Decrease the load.
Increase the acceleration and deceleration times in C1-01 and C1-
02.