Microdrive Series Instruction Manual
4201-109 Rev I
34
OFF
ON
NO
CONTROLS
RESPONDS TO SWITCH
STATUS
YES
NO
(SCREEN 97)
NO
YES
YES
NO
4807-072 Rev. E
DOES
PERFORMS
AGENT
MICRODRIVE AGAIN
(SCREEN 0)
CONTROLLED
REFERENCE
FREQUENCY CAN BE
NO
MANY TIMES
YES
DC bus fuse fitted on UDi-90 and above.
YES
NO
YES
NO
YES
NO
YES
CONTACT SERVICE
AGENT OR REPLACE
MICRODRIVE
RESETTING THE
TRY COMPLETELY
OR CONTACT
YOUR SERVICE
THIS PROBLEM
SOLVED
CLEARS
FAULT
OK
FAULT
& RESET
FAULT CAUSE
REASON FOR
CONNECTOR #3
-FLAT CABLE
-DC BUS FUSES #1
-INPUT FUSES
CHECK:
REFER TO MANUAL
TO DETERMINE
ISOLATE MICRODRIVE
POWER
ON LED
ON
OFF
MAINS
CONNECT
SUPPLY
MAINS
NOT GO
POORLY
BEEN AROUND
THIS LOOP TOO
PERFORMANCE
END
PROBLEM
MOTOR/LOAD
IS MICRODRIVE BIG
ENOUGH ?
CHECK MOTOR CABLES,
ISOLATOR etc
CHECK. LOAD IS OK.
TRY MOTOR DOL
SOURCE
PROBLEM
IN CORRECT STATE
CHECK OPERATION OF EACH
SWITCH CONTROL LINE BY
OBSERVING SCREEN -3.
ENSURE SWITCHES ARE
CONFIGURATION
CHECK:
-CORRECT CONTROL INPUT
CONFIGURATION IS
SELECTED
-WIRING OF SWITCHES IS
CORRECT FOR THE
SELECTED INPUT
SPEED DEMANDS
IS NOT OVERRIDING
-FEEDBACK (IF SELECTED)
TO 24)
-Max, Min, F1, F2
FREQUENCY ARE SET
CORRECTLY (SCREENS 21
IS PRESENT (SCREEN -3)
(V, mA, SCREEN -2 etc)
-CONTROL VARIABLE
CORRECTLY (SCREEN 64)
SOURCE IS SPECIFIED
-REFERENCE FREQUENCY
CHECK:
CHECK STOP & START MODES
ARE CORRECT
CHECK ALL OTHER SCREENS
OF MOTOR RATED)
HIGH -(CURRENT EXCEEDS 25%
CHECK DC HEAT IS NOT TOO
CHECK DC BRAKE VOLTAGE IS
NOT TOO HIGH, CAUSING
CURRENT LIMIT
OR SLOW (TAKES TOO LONG)
TOO FAST (ROUGH START, STOP)
CHECK CORRECT CURRENT SOURCE
DECELERATION RATES ARE NOT
CHECK ACCELERATION AND
CORRECTLY
CHECK CURRENT LIMIT IS SET
TRY 0, MORE, LESS
CHECK BOOST IS CORRECT
DATA IS CORRECT
CHECK MOTOR SCREENS 10-13
MICRODRIVE PROBLEM SOLVING CHART
CHECK CORRECT AUTO BOOST
SELECTION (SCREEN 77)
SOURCE IS SELECTED (SCREEN 76)
CHECK CORRECT CURRENT LIMIT MODE
IS SELECTED (SCREEN 75)
-SMPS FUSE #2
-+24V FUSE
#1.
SMPS fuse fitted on UD3-31 and above
#2.
to release cable before attempting to remove cable.
Flat cable connector is locked. Lift tabs at each end of connector
#3.
replace with 2A 440Vac ceramic fuse only.
FAULT. REMOVE
MICRODRIVE
Figure 1.7
Microdrive Problem Solving Chart
Summary of Contents for D3-2.5
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