Omron VARISPEED E7 User Manual page 281

Display
CPF02
BB Circuit Err
CPF03
EEPROM Error
CPF04
Internal A/D Err
CPF05
External A/D Err
CPF06
Option Error
CPF07
RAM-Err
CPF08
WAT-Err
CPF09
CPU-Err
CPF10
ASIC-Err
CPF20
Option A/D Error
7-6
Table 7.1 Fault Detection
Meaning
Baseblock Circuit Fault
A baseblock circuit error
occurred at power-up.
EEPROM Fault
Checksum is not valid.
CPU Internal A/D Converter
Fault
CPU External A/D Converter
Fault
Option Card Connection Error
ASIC Internal RAM Fault
Watchdog Timer Fault
CPU-ASIC Mutual Diagnosis
Fault
ASIC Version Fault
Communications Option Card
A/D Converter Fault
Probable Causes
Gate array hardware failure at
power-up.
Noise or spikes was on the con-
trol circuit input terminals or the
control board is damaged.
Noise or spikes was on the con-
trol circuit input terminals or the
control board is damaged.
Noise or spikes was on the con-
trol circuit input terminals or the
control board is damaged.
• The Option Card is not con-
nected properly.
• The Inverter or Option Card is
faulty.
The control circuit is damaged.
The control circuit is damaged.
The control circuit is damaged.
The control circuit is damaged.
• The Option Card is not con-
nected properly.
• The Option Card's A/D con-
verter is faulty.
Corrective Actions
• Try to initialize the Inverter.
• Cycle the Inverter
power.supply.
• Replace the Inverter.
• Turn off the power and re-
install the option board.
• Remove all inputs from the
option board.
• Try to initialize the Inverter.
• Cycle the power to the
Inverter.
• Replace the Option Board.
• Replace the Inverter.