5.8 HOA Keypad Display Messages
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 5.9 HOA Keypad Display Messages
HOA Keypad Display
Description
Anti Jam Active
Displayed when the drive is performing the anti-jam function.
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.
Flow Rate Limit
Drive output speed is being limited due to the Flow Rate (U1-83).
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
Exit in Xsec
The drive is delaying the start of the motor and the Lube Pump (H2-
oo
= 8B) digital output is energized.
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).
Primer Pump
Exit in Xsec
The drive is delaying the start of the motor and the Primer Pump (H2-
oo
= 8B) digital output is energized.
ScreenMtrStarter
Exit in Xsec
The drive is delaying the start of the motor and the Screen Motor Starter (H2-
oo
= 8B) digital output is energized.
Setpoint Boost Active (P3-11)
Maximum Frequency temporarily reduced due to Staging.
Sleep Active
Min/Max PIAuxLvl
Displayed when the PI Aux Feedback falls below the Q6-04/Q6-24 level for longer than the Q6-05 time forcing
the drive to go to a sleep condition.
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 AUTO -> Off AUTO Cmd to
RUN
Displayed when parameter P2-15 is set to 1 (Enabled) and drive has turned-off due to Sleep.
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.
5.8 HOA Keypad Display Messages
YASKAWA TOEPYAIUPW01A YASKAWA AC Drive - U1000 iQpump Matrix Drive User Manual
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Troubleshooting