JT550 Series Inverter Manua
l
Chapter 7 Maintenance and Troubleshooting
- 125 -
Motor
Overload
Err11
1: Check if F9.01: motor protection
parameter is appropriately set;
2: Excessive load or motor stalling;
3: The model of inverter is too
small.
1: Set the parameter correctly;
2: Reduce load and inspect the
motor and mechanical conditions;
3: Use the inverter that has a higher
power level.
Input Phase
Loss
Err12
1: Abnormal three-phase input
power;
2: Drive board malfunctions;
3: Lightening protection board
malfunctions;
4: Main control board
malfunctions
1: Check and eliminate the
problems in the peripheral circuit;
2: Contact tech support;
3: Contact tech support;
4: Contact tech support.
Output
Phase Loss
Err13
1: Abnormal wiring from inverter
to motor;
2: Unbalanced three-phase output
of inverter when motor operates;
3: Drive board malfunctions;
4: Modules malfunction.
1: Eliminate peripheral errors;
2: Inspect three-phase winding and
eliminate errors;
3: Contact tech support;
4: Contact tech support.
Modules
Overheat
Err14
1: Ambient temperature is too
high;
2: Clogged vents;
3: Broken fans;
4: Broken thermistor modules;
5: Broken inverter module;
1: Lower ambient temperature;
2: Clean the vents;
3: Replace the fans;
4: Replace the thermistor modules;
5: Replace the inverter modules.
External
Equipment
Fault
Err15
1: External fault signal input via
Terminal X.
2: External fault signal input via
virtual I/O.
Reset the operation.
Communicat
ion Failure
Err16
1: Host computer malfunctions;
2: Communication wires
malfunction;
3: Incorrect setting of FD group of
communication parameters.
1: Check the wiring of host
computer;
2: Check the wiring of
communication;
3: Correctly set the communication
parameters.
Contactors
Failure
Err17
1: Drive board and power
malfunction;
2: Contactors malfunction.
1: Change the drive board or power
board;
2: Change the contactors.
Current
Detection
Failure
Err18
1: Check hall devices;
2: Check drive board.
1: Replace the hall devices;
2: Replace the drive board.
Motor
Auto-tuning
Fault
Err19
1: The motor parameters are not
properly set according to the
nameplate.
2: The motor auto-tuning times
out
1: Set the motor parameters
according to the nameplate
properly.
2: Check the cable connection
between the inverter and the motor.
