Yaskawa iQpump Micro Quick Start - Manual (Page 78)

i.7 Troubleshooting
NOTICE
Refer to the iQpump Micro User Manual TOEP YAIQPM 03 for complete information on Troubleshooting causes and
solutions.
The iQpump Micro User Manual is posted on the Yaskawa website, www.yaskawa.com.
u Fault Detection
Note: Digital operator display text is represented in the tables below using standard font for both LCD displays and LED displays. When using
the standard LED operator, however, display text will appear in 7-segment LED (ex: “ ”). When the LED fault display differs from the
LCD display, the LED display text will be shown in parentheses under the LCD display text.
n Fault Displays
Digital Operator
Display
Fault Name
AJF
Anti-Jam Fault
(AJF)
<1>
Anti-Jam Fault
bUS
Option Communication Error
• The connection was lost after establishing initial communication.
• Only detected when the run command frequency reference is assigned to an option card.
CE
MEMOBUS/Modbus Communication Error
Control data was not received for the CE detection time set to H5-09.
CPF02
A/D Conversion Error
An A/D conversion error or control circuit error occurred.
CPF03
PWM Data Error
There is a problem with the PWM data.
CPF06
<1>
EEPROM Memory Data Error
Error in the data saved to EEPROM
CPF07
Terminal Board Communications Error
A communication error occurred at the terminal board.
CPF08
EEPROM Serial Communication Fault
EEPROM communications are not functioning properly.
CPF11 RAM Fault
CPF12
FLASH Memory Fault
Problem with the ROM (FLASH memory).
CPF13
Watchdog Circuit Exception
Self-diagnostics problem.
CPF14
Control Circuit Fault
CPU error (CPU operates incorrectly due to noise, etc.)
CPF16
Clock Fault
Standard clock error.
CPF17
Timing Fault
A timing error occurred during an internal process.
CPF18
Control Circuit Fault
CPU error. Non-Maskable Interrupt (An unusual interrupt was triggered by noise, etc.)
CPF19
Control Circuit Fault
CPU error (Manual reset due to noise, etc.)
CPF20 or CPF21 One of the following faults occurred: RAM fault, FLASH memory error, watchdog circuit exception, clock error
i.7 Troubleshooting
78 YASKAWA TOEP YAIQPM 02B YASKAWA AC Drive - iQpump Micro Quick Start Guide