YASKAWA Varispeed L7 User Manual

Protective and Diagnostic Functions
6-7
6
CPF02
BB Circuit Err
Baseblock circuit error
A baseblock circuit error occurred
at power-up.
Gate array hardware failure at
power-up.
Perform an initialization to
factory defaults.
Cycle the power to the
Inverter.
Replace the Inverter.
CPF03
EEPROM Error
EEPROM error
Check sum is not valid
Noise or spike was on the control
circuit input terminals or the con-
trol board is damaged.
Perform an initialization to
factory defaults.
Cycle the power to the
Inverter
Replace the Inverter.
CPF04
Internal A/D Err
CPU Internal A/D Converter
Fault
Noise or spike was on the control
circuit input terminals or the con-
trol board is damaged.
Perform an initialization to
factory defaults.
Cycle the power to the
Inverter.
Replace the Inverter.
CPF05
External A/D Err
CPU External A/D Converter
Fault
Noise or spike was on the control
circuit input terminals or the con-
trol board is damaged.
Perform an initialization to
factory defaults.
Cycle the power to the
Inverter.
Replace the Inverter.
CPF06
Option Error
Option Card Connection Fault
The Option Card is not connected
properly.
Turn off the power and re-
install the Option Card again.
The Inverter or Option Card is
damaged
Replace the Option Card or
the Inverter.
CPF07
RAM-Err
ASIC Internal RAM Iault
-
Cycle the power to the
Inverter
The control circuit is damaged. Replace the Inverter.
CPF08
WAT-Err
Watchdog Timer Fault
-
Cycle the power to the
Inverter
The control circuit is damaged. Replace the Inverter.
CPF09
CPU-Err
CPU-ASIC Mutual
Diagnosis Fault
-
Cycle the power to the
Inverter
The control circuit is damaged. Replace the Inverter.
CPF10
ASIC-Err
ASIC version fault The control circuit is damaged. Replace the Inverter.
CPF20
Option A/D Error
Communication Option Card
A/D Converter Error
Option board connection is not
correct.
Turn off the power and re-
install the option board again
Remove all inputs to the
option board
Option card A/D converter is
faulty.
Perform an initialization to
factory defaults.
Cycle the power to the
Inverter
Replace the option board
Replace the inverter
Table 6.1 Fault Detection (Continued)
Display Meaning Probable Causes Corrective Actions
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YASKAWA Varispeed L7 Specifications

General

Brand	YASKAWA
Model	Varispeed L7
Category	Inverter
Language	English