YASKAWA iQpump Micro CIMR-PW Series User Manual page 271

LED Display LCD Display
ef3
ef4
ef5
ef6
ef7
Cause
An external device has tripped an alarm
function.
Wiring is incorrect.
Multi-function contact inputs are set
incorrectly.
LED Display LCD Display
eof
Cause
The multi-function digital input for
EmergOverrideFWD (H1-oo = AF) has
been closed.
LED Display LCD Display
eor
Cause
The multi-function digital input for
EmergOverrideREV (H1-oo = B0) has been
closed.
LED Display LCD Display
E5
Cause
Data has not been received from the PLC
LED Display LCD Display
FAn
Cause
Internal cooling fan has malfunctioned
LED Display LCD Display
Hbb
Cause
There is no signal at terminal H1.
YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
Pump fault (input terminal S3)
EF3
External fault at multi-function input terminal S3.
Pump fault (input terminal S4)
EF4
External fault at multi-function input terminal S4.
Pump fault (input terminal S5)
EF5
External fault at multi-function input terminal S5.
Pump fault (input terminal S6)
EF6
External fault at multi-function input terminal S6.
Pump fault (input terminal S7)
EF7
External fault at multi-function input terminal S7.
Remove the cause of the external fault and reset the multi-function input value.
• Ensure the signal lines have been connected properly to the terminals assigned for external fault detection
(H1-oo = 20 to 2F).
• Reconnect the signal line.
• Check if the unused terminals have been set for H1-oo = 20 to 2F (External Fault).
• Change the terminal settings.
Emergency Override Forward Run
EoF
Open H1-oo = AF if the emergency condition is no longer present
Emergency Override Reverse Run
Eor
Open H1-oo = B0 if the emergency condition is no longer present
SI-T3 Watchdog Timer Error
E5
The watchdog timed out.
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.
Internal Cooling Fan Error
FAn
• Cycle power to the drive.
• Check for fan operation.
• If the problem continues, replace the fan.
Safe Disable Signal Input
Hbb
The Safe Disable Input channel is open.
Check if external safety circuit tripped and disabled the drive. If the Safe Disable function is not utilized,
check if the terminals HC, H1, and H2 are linked.
Minor Fault Name
Possible Solutions
Minor Fault Name
Possible Solution
Minor Fault Name
Possible Solution
Minor Fault Name
Possible Solution
Minor Fault Name
Possible Solution
Minor Fault Name
Possible Solutions
6.4 Alarm Detection
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