Yaskawa iQpump1000 AC Drive Quick Start - Manual (Page 283)

5.7 HOA Keypad Display Messages
Table 5.7 lists messages and errors that may appear during normal pump operation.
These messages do not trigger multi-function output terminals that have been set up to close when a fault or alarm occurs.
Table 5.7 HOA Keypad Display Messages
HOA Keypad Display Description
Anti Jam Active Displayed when the drive is performing the anti-jam function.
CrST
Cannot Reset
Fault reset was being executed when a Run command was entered. Ensure that a Run command cannot be entered
from the external terminals or option during fault reset. Turn off the Run command.
De-staging in X sec
Displayed during multiplexing when either a drive or contactor de-staging is in progress. X sec indicates the time
left before the de-staging takes place.
DigitalOut Delay Active Displayed when the Digital Output Delay function is active.
Feedback Drop Check
Displayed when the drive is determining whether the feedback will change abruptly when the drive enters Sleep
Mode. Drop Level is configured by P2-08, Delta Sleep Feedback Drop Level, and P2-09 Feedback Detection
Drop Time.
Freq Reduction Active (P3-07) Maximum Frequency temporarily reduced due to Staging.
LOCK
Parameter Locked
Displayed after an attempt to change a parameter when A1-01 = 3. Unlock the keypad by setting A1-01 = 2.
Lube Pump Active Displayed when the the Lube Pump digital output is energized.
Net Geothm Tmp
Lost, Chk Source
Displayed when no valid analog Geothermal Temperature source can be found on the network.
Net Pump Err
Chk Faulted Pump
Displayed when the drive has been stopped because another drive in the network has a system fault or a Low City
Pressure alarm.
Net Start Delay
P9-29 Active
Displayed when the MEMOBUS network is waiting for the P9-29 timer to elapse.
Net Water Level
or Suction Lost
Displayed when the network source for Water Level or Suction Control Pressure has been lost.
Network FB Lost
Check FB Source
Displayed when no valid analog PI feedback source can be found on the network and network PI feedback has
been lost.
PASS
MEMOBUS/Modbus Comm. Test
Mode Complete
MEMOBUS/Modbus test has finished normally.
Pre Chg Mode
Exit in Xsec
Pre-charge 1 or 2 active. X indicates time left before pre-charge exits due to timers (P4-03 + P4-07).
Setpoint Boost Active (P3-11) Maximum Frequency temporarily reduced due to Staging.
Single Phase Foldback
Displayed when an input phase has been lost, or when excess load is being drawn by the motor in a single phase
application.
Sleep Active
Min Suction Pres
Displayed when the drive has gone to sleep because the suction level has dropped below the level set in Q5-04
for longer than the time set in Q5-05.
Sleep Active
Min Water Level
Displayed when the drive has gone to sleep because the water level has dropped below the level set in Q4-04 for
longer than the time set in Q4-05.
Sleep Active Wait for Start
Displayed when the drive is in Sleep Mode or when the drive is waiting for the feedback level to reach the level
set in P1-04, Start Level.
Sleep Boost Active
Displayed when the drive entering Sleep Mode and the pressure setpoint is being boosted. During this time, the
U1-01, Frequency Reference, monitor will be updated with the boosted setpoint.
Staging in X sec
Displayed during multiplexing when either a drive or contactor staging is in progress. X sec indicates the time
left before the staging takes place.
Start Delay Adjust b1-11
Displayed when the drive start is being delayed by Coast to Stop with Timer (Back Spin Timer). This time is
adjusted by parameter b1-11, Coast to Stop with Timer Time.
Start Delay Timer Active
Displayed when the feedback level has reached the level set in P1-04, Start Level, and the Start Delay timer is
incrementing.
Thrust Mode
Thrust Active
Displayed during Thrust Mode.
Utility Delay Adjust by P4-17 Displayed when the drive is delaying the Run command due to the Utility Start Delay Function.
5.7 HOA Keypad Display Messages
YASKAWA TOEP YAIP1W 01B YASKAWA AC Drive - iQpump1000 Quick Start Guide 283
5
Troubleshooting