Yaskawa iQpump Micro Quick Start - Manual (Page 85)

u Digital Operator Display Messages
Table i.24 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 i.24 Digital Operator Display Messages
HOA Keypad Display
(LED Operator Display)
Description
CrST
Cannot Reset
(CrST)
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.
Current Limit Foldback
(CUr)
Displayed when drive output speed is being limited due to the output current limit. Reduce the load or replace
with higher capacity drive.
De-staging in X sec
(dSTgE)
Displayed during multiplexing when drive de-staging is in progress. X sec indicates the time left before the de-
staging takes place.
DigitalOut Delay Active
(no indication)
Displayed when the Digital Output Delay function is active.
Feedback Drop Check
(FbCH-)
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.
LOCK
Parameter Locked
(LoC-P)
Displayed after an attempt to change a parameter when A1-01 = 3. Unlock the keypad by setting A1-01 = 2.
Lube Pump Active
(no indication)
Displayed when the Lube Pump digital output is energized.
Net Pump Err
Chk Faulted Pump
(nETEr)
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
(nETST)
Displayed when the MEMOBUS network is waiting for the P9-29 timer to elapse.
Network FB Lost
Check FB Source
(nETFb)
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
(PASS)
MEMOBUS/Modbus test has finished normally.
Pre Chg Mode
Exit in Xsec
(PrCHg)
Pre-charge 1 or 2 active. X indicates time left before pre-charge exits due to timers (P4-03 + P4-07).
Single Phase Foldback
(1PH)
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 Wait for Start
(SLEEP)
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
(booST)
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
(STAgE)
Displayed during multiplexing when drive staging is in progress. X sec indicates the time left before the staging
takes place.
Start Delay Adjust b1-11
(WAIT)
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
(WAIT)
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
(THrST)
Displayed during Thrust Mode.
Utility Delay Adjust by P4-17
(UTIL)
Displayed when the drive is delaying the Run command due to the Utility Start Delay Function.
i.7 Troubleshooting
YASKAWA TOEP YAIQPM 02B YASKAWA AC Drive - iQpump Micro Quick Start Guide 85