YASKAWA iQpump1000 Installation & Start?Up Manual page 79

HOA Keypad Display
CE
CE – Comm Loss Run at H5-14
Current Limit
Foldback
De-Scale/De-rag
Active
Differential FB
Detected
dnE
EF
EF0
EF1
EoF
Eor
E5
FAn
Feedback Loss Go To Freq. b5-13
Feedback Loss Wire Break
Freq. Ref Pump Min (P1-06)
Freq. Ref Thrust (P4-12)
Geo Params
Chk Q2-05 to Q2-08
HCA
HIAUX
High PI Aux Lvl
HIFLO
High Flow
High Feedback High FB Sensed
HISUC
High Suction
LOAUX
Low PI Aux Lvl
LOP
LOSUC
Low Suction
Low City Pressure
Low Feedback Low FB Sensed
Low Suction Pressure
YASKAWA TOEP YAIP1W 02E YASKAWA AC Drive - iQpump1000 Installation & Start-up Guide
MEMOBUS/Modbus Communication Error
Control data was not received correctly for two seconds.
MEMOBUS/Modbus Communicator Error.
Drive runs at H5-14.
Current Limit Foldback
De-scale is running
Differential Feedback Detected
Drive Disabled
Forward/Reverse Run Command Input Error
Both forward run and reverse run closed simultaneously for longer than 0.5 s.
Option Card External Fault
An external fault condition is present.
Pump Fault (Input Terminal S1)
External fault at multi-function input terminal S1.
Emergency Override Forward Run
Emergency Override Reverse Run
SI-T3 Watchdog Timer Error
The watchdog timed out.
Internal Fan Error
Fan or magnetic contactor failure
PI Feedback Loss
The drive will run at the speed set in b5-13, Feedback Loss Goto Frequency.
PI Feedback Loss
The analog input programmed for PID feedback has gone above 21 mA or fallen below 3 mA.
Minimum Pump Frequency Reference
Drive frequency reference is set lower than P1-06, Minimum Pump Frequency.
Thrust Frequency Reference
The fixed frequency reference is set to a value lower than the P4-12, Thrust Frequency, setting.
Geothermal Mode Parameters
The drive is running at the level set in Q2-03 due to an incorrect setting.
Current Alarm
Drive current exceeded overcurrent warning level (150% of the rated current).
High PI Auxiliary Feedback Level
High Flow Error
The meter has detected a high flow condition.
High Feedback Level Alarm
The feedback signal is too high.
High Section Pressure
Low PI Auxiliary Feedback Level
Loss of Prime
The pump has lost its prime and P1-22 is set to 1.
Low Section Pressure
Low City Pressure
Low Feedback Level Alarm
The feedback signal is too low.
Low Suction Pressure
Alarm Name
i.6 Troubleshooting
79