Honeywell VFD CORE Installation Instructions Manual page 252

CHAPTER 14: FAULT CODES AND DESCRIPTIONS
Fault
oL
Over load
Fault
EoL1
Thermal relay 1
Fault
EoL2
Thermal relay 2
Fault
ot1
Over torque 1
Fault
ot2
Over torque 2
Fault
uC
Under torque
Fault
LMIT
Limit Error
Fault
cF1
EEPROM write err
Fault
cF2
EEPROM read err
63-4528—04
Overload
The VFD detects excessive
drive output current.
Electronics thermal relay 1
protection
Electronics thermal relay 2
protection
These two fault codes will be
displayed when output
current exceeds the over-
torque detection level (Pr.06-
07 or Pr.06-10) and exceeds
over-torque detection (Pr.06-
08 or Pr.06-11) and it is set to
2 or 4 in Pr.06-06 or Pr.06-
09.
Low current detection
Limit error
Internal EEPROM can not be
programmed.
Internal EEPROM can not be
read.
1. Check if the motor is overloaded.
2. Take the next higher power VFD model.
1. Check the setting of electronics thermal relay (Pr.06-14)
Take the next higher power VFD model
1. Check the setting of electronics thermal relay (Pr.06-28)
2. Take the next higher power VFD model
1. Check whether the motor is overloaded.
2. Check whether motor rated current setting (Pr.05-01) is
suitable
3. Take the next higher power VFD model.
Check Pr.06-71, Pr.06-72, Pr.06-73.
1. Press "RESET" key to the factory setting
2. Return to the factory.
1. Press "RESET" key to the factory setting
2. Return to the factory.
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