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5.7 HOA Keypad Display Messages
The table below 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
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.
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.
Start Delay Adjust b1-11
Displayed when the drive start is being delayed by Coast to Stop with Timer. This time is adjusted by parameter
b1-11, Coast to Stop with Timer Time.
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.
Pre Chg Mode
Pre-chy Active
Displayed during Pre-Charge Mode.
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.
Lube Pump Active Displayed when the drive is delaying the start of the motor and the Lube Pump digital output is energized.
LOCK
Parameter Locked
Displayed after an attempt to change a parameter when A1-01 = 3. Unlock the keypad by setting A1-01 = 2.
Anti Jam Active Displayed when the drive is performing the anti-jam function.
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
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.
Net Start Delay
P9-29 Active
Displayed when the MEMOBUS network is waiting for the P9-29 timer to elapse.
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.
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 Water Level
or Suction Lost
Displayed when the network source for Water Level or Suction Control Pressure has been lost.
Net Geothm Tmp
Lost, Chk Source
Displayed when no valid analog Geothermal Temperature source can be found on the network.
u
Fault Reset Methods
When a fault occurs, the cause of the fault must be removed and the drive must be restarted. The table below lists the different
ways to restart the drive.
After the Fault Occurs Procedure
Fix the cause of the fault, restart the drive, and
reset the fault
Press on the HOA keypad.
F2 F1
ESC
M M
AUTO OFF
ENTER RESET
-DRIVE-
U1- 01=60.00Hz
----------------
U1- 02=60.00Hz
JOG FWD FWD/REV
-Rdy-
ALM
DIGITAL OPERATOR JVOP-183
HAND
Freq Ref (OPR)
Resetting via a multi-function digital input
programmed for Fault Reset (H1- oo = 14).
For example, close then open the fault signal digital
input via terminal S4. S4 is set for “Fault Reset” as
default (H1-04 = 14).
Fault Reset Switch
Drive
S4 Fault Reset Digital Input
SC Digital Input Common
5.7 HOA Keypad Display Messages
YASKAWA TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide 213
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Troubleshooting