![background image](http://html1.mh-extra.com/html/danfoss/vlt-series/vlt-series_programming-manual_3460644125.webp)
3.16.6 16-9* Diagnosis Read-Outs
16-90 Alarm Word
Range:
Function:
0
*
[0 - 4294967295 ] View the alarm word sent via the serial
communication port in hex code.
16-91 Alarm Word 2
Range:
Function:
0
*
[0 - 4294967295 ] View the alarm word 2 sent via the
serial communication port in hex code.
16-92 Warning Word
Range:
Function:
0
*
[0 - 4294967295 ] View the warning word sent via the
serial communication port in hex code.
16-93 Warning Word 2
Range:
Function:
0
*
[0 - 4294967295 ] View the warning word 2 sent via the
serial communication port in hex code.
16-94 Ext. Status Word
Range:
Function:
0
*
[0 - 4294967295 ] Returns the extended status word sent
via the serial communication port in hex
code.
16-95 Ext. Status Word 2
Range:
Function:
0
*
[0 - 4294967295 ] Returns the extended warning word 2
sent via the serial communication port
in hex code.
16-96 Maintenance Word
Range:
Function:
0
*
[0 -
4294967295 ]
Readout of the Preventive Maintenance
Word. The bits reflect the status for the
programmed Preventive Maintenance Events
in parameter group 23-1*. 13 bits represent
combinations of all the possible items:
•
Bit 0: Motor bearings
•
Bit 1: Pump bearings
•
Bit 2: Fan bearings
•
Bit 3: Valve
•
Bit 4: Pressure transmitter
•
Bit 5: Flow transmitter
•
Bit 6: Temperature transmitter
•
Bit 7: Pump seals
•
Bit 8: Fan belt
•
Bit 9: Filter
16-96 Maintenance Word
Range:
Function:
•
Bit 10: Drive cooling fan
•
Bit 11: Drive system health check
•
Bit 12: Warranty
•
Bit 13: Maintenance Text 0
•
Bit 14: Maintenance Text 1
•
Bit 15: Maintenance Text 2
•
Bit 16: Maintenance Text 3
•
Bit 17: Maintenance Text 4
Positio
n 4
⇒
Valve
Fan
bearing
s
Pump
bearing
s
Motor
bearing
s
Positio
n 3
⇒
Pump
seals
Temper
ature
transmi
tter
Flow
transmi
tter
Pressur
e
transmi
tter
Positio
n 2
⇒
Drive
system
health
check
Drive
cooling
fan
Filter
Fan
belt
Positio
n 1
⇒
Warrant
y
0
hex
-
-
-
-
1
hex
-
-
-
+
2
hex
-
-
+
-
3
hex
-
-
+
+
4
hex
-
+
-
-
5
hex
-
+
-
+
6
hex
-
+
+
-
7
hex
-
+
+
+
8
hex
+
-
-
-
9
hex
+
-
-
+
A
hex
+
-
+
-
B
hex
+
-
+
+
C
hex
+
+
-
-
D
hex
+
+
-
+
E
hex
+
+
+
-
F
hex
+
+
+
+
Example:
The Preventive Maintenance Word shows
040Ahex.
Position
1
2
3
4
hex-value
0
4
0
A
The first digit 0 indicates that no items from
the fourth row requires maintenance
The second digit 4 refers to the third row
indicating that the Drive Cooling Fan requires
maintenance
Parameter Description
VLT
®
HVAC Drive Programming Guide
124
MG.11.CC.02 - VLT
®
is a registered Danfoss trademark
3
3