MEC 20 MICROPROCESSOR ENGINE/GENERATOR CONTROLLER
PM047 Rev 13 05/03/30
41
Thomson Technology
9. OPERATING
INSTRUCTIONS
9.1. MEC 20 POWER-UP OPERATION SEQUENCE
When the MEC 20 is first energized with DC supply voltage at terminals B+ & B-, the
controller will power-up into a fail-safe mode, preventing possible engine operation. The
controller will default to an Emergency Stop failure mode and must be manually reset
before the controller is put into normal operation. To reset the Emergency Stop
condition, press the “OFF push-button first, then press both “INCREMENT’ and “ENTER”
push-buttons simultaneously. The controller will then reset, provided a
remote
emergency stop condition is not activated. The Utility Read to Load programmable
output will energize if the remote start contact is open.
9.2. MEC 20 DISPLAY MENUS
The MEC 20 contains a Liquid Crystal Display (LCD) which is visible through the front
lexan faceplate viewing window. The LCD has pre-programmed display screens and
menus that may be selected by pressing the
ENTER
or
EXIT
push-buttons in succession
until the desired screen or menu is displayed. The display screen types and order in
which they are programmed are as follows:
