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Position 4
⇒
Valve
Fan bearings
Pump bearings
Motor bearings
Position 3
⇒
Pump seals
Temperature trans-
mitter
Flow transmitter
Pressure transmitter
Position 2
⇒
Drive system health
check
Drive cooling fan
Filter
Fan belt
Position 1
⇒
Warranty
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
The third digit 0 indicates that no items from the second row requires maintenance
The fourth digit A refers to the top row indicating that the Valve and the Pump Bearings require maintenance
VLT
®
HVAC Drive Programming Guide
3. Parameter Description
MG.11.C5.02 - VLT
®
is a registered Danfoss trademark
149
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