DG Flugzeugbau DG-1001M Flight Manual page 135

5. Ignition problems
No spark:
on 1 spark plug of one ignition circuit:
Spark plug, ignition cable or ECU or ignition coil defective.
on both spark plugs of one ignition circuit:
Too low starting RPM; weak battery; ECU or ignition coils
defective.
on any of the spark plugs:
too low starting RPM., weak battery;
wire defective, ECU or ECU RPM sensor defective.
With all failures see above check if these failure will also occur with
the emergency system. If the failure occurs only with the normal
system, the failure is in the ECU or its wiring.
6. Engine becomes too hot
Fuel lines clogged, Fuel filters dirty
Cooling system defective, test of the coolant pump see maintenance
manual sect. 4.10.5.4.
Spark plugs defective
7. Sudden power loss at full throttle
ECU RPM sensor or its wiring defective, or injection nozzles or their
wiring defective.
Switch over to emergency system, see section 3.15.
If this doesn't help check pistons and cylinders for seizing marks, see
maintenance manual section 3.6.1 item 9.
Note: The ECU has a failure memory, which detects and stores failures of the
system. This memory can only be checked by the manufacturer. For a check
please send the ECU to DG Flugzeugbau or the engine manufacturer Solo or to a
DG trained and approved service station.
Issued: October 2010
Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited
Flight Manual DG-1000M
8.8