YASKAWA
TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation & Startup
137
Code
Name
Causes
Possible Solutions
INTLK
BAS Interlock
The digital input terminal set to
H1-xx = B2 [MFDI
Function Selection = BAS Interlock]
deactivates.
Make sure the cause of interlock.
Note:
•
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
•
If the drive detects this error,
will not flash.
Code
Name
Causes
Possible Solutions
L24v
Loss of External Power 24 Supply
The voltage of the backup 24 V power supply has
decreased. The main circuit power supply is operating
correctly.
•
Examine the external 24 V power supply for disconnected wires
and wiring errors and repair the problems.
•
Examine the external 24 V power supply for problems.
Note:
•
Set
o2-23 [External 24V Powerloss Detection]
to enable or disable
L24v
detection.
•
The drive will not output an alarm signal for this alarm.
Code
Name
Causes
Possible Solutions
LCP
Low City Pressure
Insufficient pressure is present on the inlet to the
pump in these conditions:
•
Y4-24 = 0 [Low City Alarm Text = Low City
Pressure]
•
The terminal set for
H1-xx = B8 or 1B8 [MFDI
Function Selection = Low City Pressure or !Low
City Pressure]
activates
•
Examine the pressure switch contact for correct operation.
•
Make sure that control wiring to drive terminal strip from
pressure switch contact.
•
Make sure that suction pressure is present with an isolated
measuring device.
•
Set
Y4-22 [Low City On-Delay Time]
and
Y4-23 [Low City Off-
Delay Time]
correctly.
•
Deactivate the digital input terminals set to
H1-xx = B8 or 1B8
.
Note:
•
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
•
If the drive detects this error during run, it coasts to stop and does not operate until the digital input has deactivated for the time set in
Y4-22
.
Code
Name
Causes
Possible Solutions
LOAUX
Low PI Aux Feedback Level
When the drive operates in AUTO Mode or HAND
Mode, PI Auxiliary Feedback is less than the level set
in
YF-09 [PI Aux Control Low Lvl Detection]
for the
time set in
YF-10 [PI Aux Control Low Lvl Det Time]
and the drive is running.
•
Increase the PI Auxiliary Feedback level more than
YF-09
.
•
Set
YF-09
and
YF-10
correctly.
Note:
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
Code
Name
Causes
Possible Solutions
LOFB
Low Feedback Sensed
The feedback level is less than the level set in
Y1-08
[Low Feedback Level]
for the time set in
Y1-09 [Low
Feedback Lvl Fault Dly Time]
.
•
Increase the feedback level to more than
Y1-08
+
Y1-14 [High
Feedback Hysteresis Level]
.
•
Set
Y1-08
and
Y1-09
correctly.
Note:
•
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
•
If the drive detects this fault, it will respond as specified by the setting of
Y1-10 [Low Feedback Selection]
.
Code
Name
Causes
Possible Solutions
LoG
Com Error / Abnormal SD Card
There is not a micro SD card in the keypad.
Put a micro SD card in the keypad.
•
The drive is connected to USB.
•
The number of log communication files is more
than 1000.
•
The micro SD card does not have available
memory space.
•
The line number data in a log communication file
was changed.
•
A communication error between the keypad and
drive occurred during a log communication.
Set
o5-01 = 0 [Log Start/Stop Selection = OFF]
.
Note:
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 6A [MFDO Function Selection = Data Logger Error]
will activate.
Code
Name
Causes
Possible Solutions
LOP
Loss of Prime
The pump load that measured based on the
Y1-18
[Prime Loss Detection Method]
setting is less than
the level set in
Y1-19 [Prime Loss Level]
for the time
set in
Y1-20 [Prime Loss Time]
, and the output
frequency is
Y1-21 [Prime Loss Activation Freq]
or
more.
•
Examine a dry well, air in the system, or no water in the system.
Use preferred priming method suggested by the pump
manufacturer to restart the pump.
•
When there is resistance in the pump, allow the system to pump
water again.
•
Set
Y1-18
to
Y1-21
correctly.
Note:
•
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
•
If the drive detects this fault, it will respond as specified by the setting of
Y1-22 [Prime Loss Selection]
.
Содержание HV600
Страница 14: ...i 2 Using the Product Safely 14 YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation Startup...
Страница 20: ...1 2 Catalog Code and Nameplate Check 20 YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation Startup...
Страница 34: ...2 7 Removing Reattaching Covers 34 YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation Startup...
Страница 40: ...Page Intentionally Blank...
Страница 154: ...5 11 Diagnosing and Resetting Faults 154 YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation Startup...
Страница 170: ...6 7 Periodic Inspection and Maintenance 170 YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation Startup...
Страница 266: ...7 16 U Monitors 266 YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation Startup...
Страница 290: ...8 4 Other Embedded Communication Protocols 290 YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation Startup...