Yaskawa iQpump1000 AC Drive Quick Start User Manual
Page 273
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HOA Keypad Display
Minor Fault Name
WLL
Water Level Loss
Water Level Loss
Cause
Possible Solution
An analog input programmed for setting 23
“WaterLvl/Suction” has dropped below 3
mA or risen above 21 mA for longer than 1
second.
Repair level sensor or wiring.
HOA Keypad Display
Minor Fault Name
WrUn
Waiting for Run
Cause
Possible Solutions
The Run command has been applied and the
b1-11 Back Spin Timer is active.
Adjust Back Spin Timer b1-11 to the desired delay time. The drive will start normally after the b1-11 timer
expires.
5.3 Alarm Detection
YASKAWA TOEP YAIP1W 01B YASKAWA AC Drive - iQpump1000 Quick Start Guide
273
5
Troubleshooting
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