Table of Contents
Advertisement
Digital
Operator Display
PI Feedback Loss
This fault occurs when PI Feedback Loss
FBL
Detection is programmed to fault
Feedback Loss
(b5-12 = 2) and the
PI Feedback < PI Feedback Loss Detection
Level (b5-13) for the PI Feedback Loss
Detection Time (b5-14)
LL3
Loss of Load Detection 1
Loss of Load Det 1
Drive output current < L6-02 for more than
(Flashing)
the time set in L6-03
Cooling Fin/Cooling Fin Fan Overheat
The temperature of the Drive cooling fin
OH
exceeded the temperature programmed in
Heatsnk Overtemp
parameter L8-02
(Flashing)
Drive Internal Cooling Fan
OH2
Drive overheat pre-alarm signal is input
Over Heat 2
from a multi-function digital input terminal
(Flashing)
OH3
Motor Overheating Alarm
Motor Overheat 1
The Drive stops or continues operation
(Flashing)
according to the setting of L1-03.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Table 6.2 Alarm Displays and Processing
Description
PI Feedback source
(e.g. transducer, sensor, build-
ing automation signal) is not
installed correctly or is not
working
Motor is underloaded
Cooling fan(s) are not working,
high ambient temperature, a
heating unit in close proximity
to Drive is present
An external overheat condition
exists connected to one of the
multi-function input terminals
S3, S4, S5, S6 or S7
Overheating of motor
Diagnostic & Troubleshooting 6 - 10
Cause
Corrective Action
Verify Drive is programmed to
receive the PI Feedback source
signal
Check to ensure the PI Feedback
source is installed and working
properly
Check the motor for a phase-to-
phase short
Check the Drive for a phase-to-
phase short at the output
Verify C1-01 and C1-02 are set
correctly
Check load conditions
Ensure the values in
L6-02 and L6-03 are appropriate
Check application/machine status
to eliminate fault
Check for dirt build-up on the
fans and cooling fins
Reduce the ambient temperature
around the Drive
Remove the heating unit
Check for an external condition
Verify the program parameters
H1-01 thru H1-05
Recheck the cycle time and the
size of the load
Recheck the accel/decel time
(C1-01 and C1-02)
Recheck the V/F pattern (E1-01
thru E1-13)
Recheck the motor rated current
value (E2-01)
Check the digital operator
connector
Verify the setting of
o2-06
Advertisement
Table of Contents
