78
| Optidrive P2 User Guide |
Version 3.07
www.invertekdrives.com
11. Troubleshooting
11.1. Fault Messages
Fault
Code
No.
TFT Message
Description
Corrective Action
-
00
No Fault
Displayed in P0-13 if no faults are recorded in the log.
-
01
Brake channel over
current
Ensure the connected brake resistor is above the minimum permissible level for the drive – refer to
the ratings shown in section
10.2. Input/Output Power and Current Ratings.
Check the brake resistor and wiring for possible short circuits.
-
02
Brake resistor overload
The drive software has determined that the brake resistor is overloaded, and trips to protect the
resistor. Always ensure the brake resistor is being operated within its designed parameter before
making any parameter or system changes.
To reduce the load on the resistor, increase the deceleration time, reduce the load inertia or add
further brake resistors in parallel, observing the minimum resistance value for the drive in use.
-
03
Over current trip
Fault Occurs on Drive Enable
Check the motor and motor connection cable for phase – phase and phase – earth short circuits.
Check the load mechanically for a jam, blockage or stalled condition.
Ensure the motor nameplate parameters are correctly entered, P1-07, P1-08, P1-09.
If operating in Vector mode (P4-01 – 0 or 1), also check the motor power factor in P4-05 and
ensure an autotune has been successfully completed for the connected motor.
Reduced the Boost voltage setting in P1-11.
Increase the ramp up time in P1-03.
If the connected motor has a holding brake, ensure the brake is correctly connected and controlled,
and is releasing correctly.
Fault Occurs When Running
If operating in Vector mode (P4-01 – 0 or 1), reduce the speed loop gain in P4-03.
.-
04
Drive has tripped
on overload after
delivering >100% of
value in P1-08 for a
period of time.
Check to see when the decimal points are flashing (drive in overload) and either increase
acceleration rate or reduce the load.
Check motor cable length is within the limit specified for the relevant drive in section 10.2.
Ensure the motor nameplate parameters are correctly entered in P1-07, P1-08, and P1-09.
If operating in Vector mode (P4-01 – 0 or 1), also check the motor power factor in P4-05 and
ensure an autotune has been successfully completed for the connected motor.
Check the load mechanically to ensure it is free, and that no jams, blockages or other mechanical
faults exist.
PS-P
05
Hardware Over Current Check the wiring to motor and the motor for phase to phase and phase to earth short circuits.
Disconnect the motor and motor cable and retest. If the drive trips with no motor connected, it must
be replaced and the system fully checked and retested before a replacement unit is installed.
-
06
Over voltage on DC
bus
The value of the DC Bus Voltage can be displayed in P0-20.
A historical log is stored at 256ms intervals prior to a trip in parameter P0-36.
This fault is generally caused by excessive regenerative energy being transferred from the load
back to the drive. When a high inertia or over hauling type load is connected.
If the fault occurs on stopping or during deceleration, increase the deceleration ramp time P1-04 or
connect a suitable brake resistor to the drive.
If operating in Vector Mode, reduce the speed loop gain P4-03.
If operating in PID control, ensure that ramps are active by reducing P3-11.
-
07
Under voltage on DC
bus
This occurs routinely when power is switched off.
If it occurs during running, check the incoming supply voltage, and all connections into the drive,
fuses, contactors etc.
-
08
Heatsink over
temperature
The heatsink temperature can be displayed in P0-21.
A historical log is stored at 30 second intervals prior to a trip in parameter P0-38.
Check the drive ambient temperature.
Ensure the drive internal cooling fan is operating.
Ensure that the required space around the drive as shown in
sections 3.5. Mechanical Dimensions
3.9. Guidelines for Mounting (IP66 Units)
has been observed, and that the cooling
airflow path to and from the drive is not restricted.
Reduce the effective switching frequency setting in parameter P2-24.
Reduce the load on the motor / drive.
-
09
Under temperature
Trip occurs when ambient temperature is less than -10°C. The temperature must be raised over
-10°C in order to start the drive.
P-e
10
Factory Default
parameters have been
loaded
Press STOP key, the drive is now ready to be configured for the required application.
11
Tr
oublesh
ooting
