MainsPro, SW version 1.4, ©ComAp – January 2013
MainsPro Installation and Operation Guide
TEST mode activation
1. Enter the init screen, by pushing the and at the same time.
2. Press and to enter the Test mode activation screen:
3. Using and do your selection. By selecting YES, you will activate the TEST mode - see
the chapter TEST mode in Application Guide. Press to confirm your selection.
4. By selecting NO and pressing or by pressing , return to the measurement screens with
no change.
Factory default
MainsPro contains a default set of all setpoints, which corresponds to the typical requirement of
distribution network operator in some countries.
1. Enter the init screen, by pushing the and at the same time.
2. Press and to enter the Factory default activation screen:
3. Using and do your selection. By selecting YES, you will return all previously done
setting to the default values. Please note that by this selection, you will loose all setting
done prior to this operation! Press to confirm your selection.
4. By selecting NO and pressing or by pressing , return to the measurement screens with
no change.
Mechanical sealing
MainsPro allows to mechanically prevent the setting changes by securing the mechanical seal in
locked position by sealing wire. The locked position is indicated at the MainsPro side-print and on the
alphanumerical display.
Signalization LEDs
There are 7 LEDs for indication of MainsPro status with the meaning indicated in the table
below:
In case of signalling different statuses by one LED, the following priorities apply, i.e. the higher
priority signal is provided by the LED:
1. Red flashing
2. Red
3. Orange flashing
4. Orange
5. Green
Please note: the U and f signalization is immediate at detection of fault conditions, regardless
of the set delay for the unit trip. After the conditions get back to the fault-free state, the LEDs
may move back to green colour, regardless of whether the unit is currently in TRIP status.
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