B
100
Repair and Service Manual
FAULT TESTING
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
10002660
2-7
Digital Out 7
Over current
Digital output 7 (pin
20) current
exceeded 15mA
None: Check
VCL
Fix the over
current cause
and use the
VCL function
set dig Out()
to turn driver
on again
1.External load impedance on Digital Output
7 (pin 20) is too low
2-8
Motor Temp
Hot Cutback
Motor temp is at or
above Hot
parameter setting
Reduced Drive
torque and
speed
Condition
clears
1.Motor temperature is at or above the
programmed temperature Hot stetting, and
the requested current is being cut back
2.Motor temperature control menu
p a r a m e t e r s a r e m i s - t u n e d
3.See Monitor menu-Motor: temperature and
- Inputs: analog 2
4.Reduce load on motor
2-9
Motor Temp
Sensor Fault
Motor thermistor
input (pin8) is at
voltage rail (0 or
10v)
Reduced
speed, Motor
temp cutback
disabled
Condition
clears
1.Motor thermistor is not connected
2.Check sensor
3-1
Coil 1 Driver
Open or
Short - also
can be Main
Open or
Short
Driver 1 (pin6) is
either open or
shorted. This fault
can only be set
when main enable
=off
Shutdown
driver 1
Correct
condition
and cycle
driver
1.Open or short on driver load
2.Dirty connector pins
3.Bad crimps or faulty wiring
3-2
Coil 2 Driver
Open or
Short
Driver 2 (pin5) is
either open or
shorted. This fault
can only be set
when main enable
=off
Shutdown
driver 2
Correct
condition
and cycle
driver
1.Open or short on driver load
2.Dirty connector pins
3.Bad crimps or faulty wiring
3-3
Coil 3 Driver
Open or Short
Driver 3 (pin4) is
either open or
shorted. This fault
can only be set
when main enable
=off
Shutdown
driver 3
Correct
condition
and cycle
driver
1.Open or short on driver load
2.Dirty connector pins
3.Bad crimps or faulty wiring
3-4
Coil 4 Driver
Open or Short
Driver 4 (pin3) is
either open or
shorted. This fault
can only be set
when main enable
=off
Shutdown
driver 4
Correct
condition
and cycle
driver
1.Open or short on driver load
2.Dirty connector pins
3.Bad crimps or faulty wiring
LED
Code
1313
Display
Explanation
Controller
Response
Recover
When
Possible Cause
Fig. 7 Fault Code Chart (Continued)
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