Danfoss VLT AQUA Programming Manual page 172

2. Parameter Description
18-00 Maintenance Log: Item
Array [10]
2
*
0
18-01 Maintenance Log: Action
Array [10]
*
0
18-02 Maintenance Log: Time
Array [10]
0 sec.
18-03 Maintenance Log: Date and Time
Array [10]
2000-01
-01
00:00
172
[0 - 17] Locate the meaning of the Maintenance Item in the description
of par. 23-10
[0 - 7] Locate the meaning of the Maintenance Item in the description
of par. 23-11
* [0 - 2147483647 sec.] Shows when the logged event occurred. Time is measured in
seconds since last power-up.
[2000-01-01 00:00 – Shows when the logged event occurred.
2099-12-01 23:59 ]
*
Date format depends on the setting in par. 0-71 Date format,
while the time format depends on the setting in par. 0-72 Time
format.
MG.20.O2.02 - VLT
®
VLT AQUA Drive Programming Guide
Preventive Maintenance Item
Maintenance Action
.
NB!
This requires that the date and time is program-
med in par. 0-70.
NB!
The frequency converter has no back up of the
clock function and the set date/time will reset to
default (2000-01-01 00:00) after a power down
unless a Real Time Clock module with back up is
Clock Fault
installed. In par. 0-79,
program for a Warning in case clock has not been
set properly, e.g. after a power down. Incorrect
setting of the clock will affect the time stamps for
the Maintenance Events.
®
is a registered Danfoss trademark
.
, it is possible to