Honeywell VFD CORE

CHAPTER 14: FAULT CODES AND DESCRIPTIONS
63-4528—04 256
Phase A short circuit
Phase B short circuit
Phase C short circuit
The electromagnet switch of the power board is not sealed. (For larger power model: Frame E and
above)
Unknown over current
Unknown over voltage
Output phase loss (Phase U)
Output phase loss (Phase V)
Output phase loss (Phase W)
Uocc
A phase short
Fault
Vocc
B phase short
Fault
Wocc
C phase short
Fault
ryF
MC Fault
Fault
ocU
Unknow over Amp
Fault
ovU
Unknow over volt.
Fault
OPHL
U phase lacked
Fault
OPHL
V phase lacked
Fault
OPHL
W phase lacked
Fault