WerkMaster Cobra - VFD Troubleshooting and Diagnostics; VFD Error Codes

OPERATOR’S)MANUAL))
Page!21!)
APPENDIX – VFD TROUBLESHOOTING AND DIAGNOSTICS
!The!following!table!shows!the!fault!codes!that!may!be!displayed!during!X4!AC!drive!
operation,!along!with!suggestions!for!recovering!from!the!fault!condition.!!
!
!
!
Shaded!faults!are!auto-resettable,!except!where!noted.!!
CODE)
FAULT)
DISPLAY)
DESCRIPTION)
ADV.)FAULT)
CODE)
EXPLANATION)
SUGGESTIONS)FOR)RECOVERY)
1!
System!!
System!fault!!
0,1,2!
Internal!microp r o c e ss o r !p ro b le m .!!
Consult!the!factory!for!repair!or!
replacement.!!
3!
Thermistor!profile!is!incorre ct.!!
Consult!the!factory!for!repair!or!
replacement.!!
0!
Memory!problem!when!reflashing!the!
drive’s!memory.!!
Reset!the!drive!to!factory!settings.!
Consult!the!factory.!!
1,2,3!
Conflict!in!the!drive’s!memory.!!
Reset!the!drive!to!factory!settings.!
Consult!the!factory.!!
2!
EE!Checksum!!
Checksum!error!!
4!
Unable!to!write!an!EE!parameter!after!a!
parameter!has!been!changed!through!
the!keypad!or!SIO.!!
Reset!the!drive!to!factory!settings.!
Consult!the!factory.!!
5!
The!drive!is!receiving!EE!write!requests!
faster!than!they!can!be!processed.!Th is!
would!typically!be!caused!by!writing!
parameters!too!frequently!through!
Modbus.!!
Slow!down!the!frequency!of!the!Modbus!
writes.!!
3!
Curr!Calibr!
Current!
calibration!fault!
0!
Current!calibration!fault!on!phase!T1/U.!
Check!the!motor!connections!to!the!
terminal!strip!of!the!drive!and!at!the!
motor.!Have!motor!checked.!Consult!the!
factory!for!repair!or!replaceme n t!of!
drive.!
1!
Current!calibration!fault!on!phase!T2/V.!
2!
Current!calibration!fault!on!phase!
T3/W.!
4!
Power!Supp!!
Power!supply!
fault!!
0!
5!V!supply!is!below!4!VDC!for!more!
than!100!ms.!!
Increase!resista n c e !b e tween!REF!and!
analog!inputs.!Check!the!wiring!to!REF!
terminals.!Consult!the!factory.!!
6!
IOC!Trip!!
Instantaneou s !
overcurrent!trip!!
0!
Short!circuit!was!detected!on!power-
up.!!
Remove!the!short!from!the!power!wiring!!
Check!for!a!shorted!motor.!Consult!the!
factory.!!
1!
Short!circuit!was!detected!during!
operation.!!
7!
MOL!!
MOL!contact!
fault!!
0!
MOL!digital!input!was!activated,!
depending!on!pull-up!or!pull-down!
logic!configuration.!
Reset!the!MOL!contact!or!remove!the!
condition!causing!the!MOL!contact!
activation.!
8!
Model!ID!!
ID!#!out!of!
range!!
0,1,2!
Control!board!is!not!reading!the!drive!
ID!properly.!!
Consult!the!factory!for!repair!or!
replacement.!!
10!
Res!Lockout!!
Restart!lockout!!
0!
The!number!of!fault!restarts!is!greater!
than!the!limit!defined!in!the!customer!
parameter.!
Check!the!actual!fault!in!the!fault!log!and!
use!the!appropriate!remedy.!
11!
Ground!!
Ground!fault!!
0!
The!drive!detected!a!current!imbalance!
between!output!phases.!Imbalance!
determined!to!be!current!flow!to!
ground.!!
Check!for!unbalanced!currents.!Check!
for!grounded!motor!lead s!o r!m ot or.!
Consult!the!factory.!!
12!
Vac!Imblnce!!
Input!voltage!
imbalance!!
0!
The!drive!detected!a!single-phase!
condition!or!a!voltage!imbalance!
outside!the!drive’s!rating!while!running!
a!load!that!could!be!damaging!to!the!
drive.!!
Check!input!voltage!and!current!for!
imbalance,!and!c o rre c t.!!
! ! ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ) ))))NOTE)
VFD Error Codes