HOA Keypad Display
Minor Fault Name
Cause
Possible Solutions
An external device has tripped an alarm
function.
Remove the cause of the external fault and reset the multi-function input value.
Wiring is incorrect.
• Ensure the signal lines have been connected properly to the terminals assigned for external fault detection
(H1-
oo
= 2C to 2F).
• Reconnect the signal line.
Multi-function contact inputs are set
incorrectly.
• Check if the unused terminals have been set for H1-
oo
= 2C to 2F (External Fault).
• Change the terminal settings.
HOA Keypad Display
Minor Fault Name
EoF
Emergency Override Forward Run
Cause
Possible Solution
The multi-function digital input for
EmergOverrideFWD (H1-
oo
= AF) has
been closed.
Open H1-
oo
= AF if the emergency condition is no longer present
HOA Keypad Display
Minor Fault Name
Eor
Emergency Override Reverse Run
Cause
Possible Solution
The multi-function digital input for
EmergOverrideREV (H1-
oo
= B0) has
been closed.
Open H1-
oo
= B0 if the emergency condition is no longer present
HOA Keypad Display
Fault Name
E5
SI-T3 Watchdog Timer Error
The watchdog timed out.
Cause
Possible Solution
Data has not been received from the PLC Execute DISCONNECT or ALM_CLR, then issue a CONNECT command or SYNC_SET command and
proceed to phase 3. Refer to the SI-T3 Option Technical Manual for more details on troubleshooting.
HOA Keypad Display
Minor Fault Name
FAn
Internal Fan Error
Fan or magnetic contactor failure
Cause
Possible Solution
Internal cooling fan has malfunctioned
• Cycle power to the drive.
• Check for fan operation.
• Verify the cumulative operation time of the fan with monitor U4-03, and verify the cumulative operation
time of the fan maintenance timer with U4-04.
• If the cooling fan has exceeded its expected performance life or is damaged in any other way, follow the
replacement instructions in the
chapter.
Fault detected in the internal cooling fan or
magnetic contactor to the power supply.
• Cycle power to the drive.
• If the fault continues to occur, replace the power board/gate drive board or the entire drive.
• Contact Yaskawa or a Yaskawa representative for instructions on replacing the power board/gate drive
board.
HOA Keypad Display
Minor Fault Name
Feedback Loss Go To Freq. b5-13
PI Feedback Loss
The drive will run at the speed set in b5-13, Feedback Loss Goto Frequency.
Cause
Possible Solutions
PI feedback source is incorrectly installed
or is not working. Effective only when
b5-12 is set to 3 (Run at b5-13).
• Confirm that the PID feedback source is installed and working properly.
• Drive response to this condition is controlled by b5-12, Feedback Loss 4 to 20 mA Detection Selection,
and b5-13, Feedback Loss Go To Frequency.
HOA Keypad Display
Minor Fault Name
Feedback Loss Wire Break
PI Feedback Loss
The analog input programmed for PID feedback has gone above 21 mA or fallen below 3 mA.
Cause
Possible Solutions
5.3 Alarm Detection
274
YASKAWA TOEP YAIP1W 01F YASKAWA AC Drive - iQpump1000 User Manual
Содержание iQpump1000
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