Yaskawa iQpump1000 AC Drive Quick Start - Manual (Page 273)

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