3.17 Main Menu - Data Readouts 2 - Group 18
3.17.1 18-0* Maintenance LogLG-0# Maintenance Log
This group contains the last 10 Preventive Maintenance events. Maintenance Log 0 is the latest and Maintenance Log 9 the oldest.
By selecting one of the logs and pressing [OK], the Maintenance Item, Action and time of the occurrence can be found in par. 18-00
Maintenance Log:
Item
– par. 18-03
Maintenance Log: Date and Time
.
The Alarm log button on the LCP allows access to both Alarm log and Maintenance log.
18-00 Maintenance Log: Item
Array [10]. Array parameter; Error code 0 - 9: The meaning of the error code can be found in the Troubleshooting section of the FC Design Guide.
Range: Function:
0 N/A* [0 - 255 N/A] Locate the meaning of the Maintenance Item in the description of par. 23-10
Maintenance Item
.
18-01 Maintenance Log: Action
Array [10]. Array parameter; Error code 0 - 9: The meaning of the error code can be found in the Troubleshooting section of the Design Guide.
Range: Function:
0 N/A* [0 - 255 N/A] Locate the meaning of the Maintenance Item in the description of par. 23-11
Maintenance Action
18-02 Maintenance Log: Time
Array [10]. Array parameter; Time 0 - 9: This parameter shows at which time the logged event occurred. Time is measured in seconds since start of
the frequency converter.
Range: Function:
0 s* [0 - 2147483647 s] Shows when the logged event occurred. Time is measured in seconds since last power-up.
18-03 Maintenance Log: Date and Time
Array [10]
Range: Function:
Application
dependent*
[Application dependant] Shows when the logged event occurred.
NB!
This requires that the date and time is programmed in par. 0-70
Date and
Time
.
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
.
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 installed. In par. 0-79
Clock Fault
it is possible
to 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.
NB!
When mounting an Analog I/O MCB 109 option card, a battery back-up of date and time is included.
3 Parameter Description VLT
®
HVAC Drive Programming Guide
172
MG.11.C9.02 - VLT
®
is a registered Danfoss trademark
3
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