Janson Controls FC100 Series User Manual

CHAPTER 8 Troubleshooting and Fault Information
The FC100 AC drive has a comprehensive fault diagnostic system that includes
several different alarms and fault messages. Once a fault is detected, the
corresponding protective functions will be activated. The following faults are
displayed on the AC drive digital keypad. The six most recent faults can be
read on the digital keypad display by viewing
NOTE: Faults can be cleared by a reset from the keypad or Input Terminal.
Common Problems and Solutions:
Operation
Panel
Indication
Name
Possible fault
reason
Corrective action
oco/uco
Over current
during stop
1: Inverter fault
Please contact your
sales representative.
OC1/UC1
Over current
during
acceleration
1: Acceleration time
is too short
2: V/F curve is not
set correctly
3: Motor or motor wire
have short circuit to
the ground
4: The torque boost is
set too fast
5: The input voltage
is too low
6: Directly start up
the running motor
7: The inverter
setting is not
correct
9: The inverter fails
1; Inc
rease
acceleration time
2; Correctly set V/F
curve.
3; Check the
insulation of motor
and motor wire.
4:Reduce the value of
torque boost.
5: Check input voltage
6: Check the load
7; Set tracing startup
8: Enlarge capacity of
inverter
9: Sent for repairing
OC2/UC2
Over current
during
deceleration
1: Decelerate time is
too short
2: Inverter capacity
is inappropriately
set
3: Whether there is
any disturbing
1: Increase
deceleration time
2: Enlarge inverter
capacity
3: Solve disturbing
resource
8
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Chapter 8 Troubleshooting and Fault Informatin
FC100 Series User Manaul

Janson Controls FC100 Series Specifications

General

Brand	Janson Controls
Model	FC100 Series
Category	Controller
Language	English