Operating & Installation Manual for the ES52 Engine Controller
“Timer”, steady
Is Over-speed LED ON?
Is Engine Running LED ON?
Is the engine Cranking?
If the engine is not cranking or
running
10 second Air-gate timer
Slow timer feature, (pot adjustable)
Choke feature
Glow Plug timer feature (pot adjustable)
Low Oil steady while Engine Running
Flashing
Oil switch is not closed (miss-wired or not
Installed). Engine will crank when oil
switch verifies.
Over-speed and over crank LED's
flash alternately
1. Invalid speed range - check DIP
switches 4 & 5.
2. Crank disconnect set too high
(above over speed setting).
3. Speed was not zero at the start of
cranking (timeout).
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