Static Transfer Switch
STS207
User Manual
Page 21 (28
)
ELTEK VALERE DEUTSCHLAND ©2009
UM_STS207_WEB_E_R1.4
6. Maintenance
In general, the static transfer switch STS is maintenance-free.
A yearly inspection with following checks is recommended:
Correct fan operation
Mechanical inspection
Removal of dust and dirt, especially on radiator surfaces
Check for internal dust or humidity
Attention!
Dust combined with moisture or water may influence or destroy the internal electronic circuits.
Dust inside the unit can be blown out with dry compressed air.
The intervals between this checks depends on ambient conditions of the installed module.
7. Trouble shooting
If a failure occurs in the system, the LED “Alarm” (bell symbol) is illuminated according to the
adjustments in the customer menu, item “Configuration CF” (see section 5.2 “Structure of the customer
menu”). The failures are shown in clear text mode on the display “Alarm Messages”.
The display “Alarm Messages” can be entered from the basic display by pressing “ESC”.
With pressing the keys
or
you can scroll through the list of alarm messages if more than three
entries are present there. The display “Alarm Messages” can be quit by pressing “ESC” again.
Basic display
Figure 12. Display “Alarm Messages”
In the table on the following page all possible alarm messages are listed and described.
