Power Tech Generators PTSMH-15 Operator's Manual page 52

Trouble
Unit does not operate when powered to test
mode
Engine doe not crank
Engine cranks but doesn't start
Engine starts but shuts down after "Oil
Bypass period" due to low oil / high temp /
extra.
Engine starts, but running LED does not
illuminate.
Annunciation output not working
Preheat LED works OK but timer output
does not activate
TROUBLESHOOTING
Possible Cause
Power leads to unit are
reversed.
Bad ground connection from
engine to controller unit.
Battery is low or terminals are
dirty.
Crank circuitry wiring
improperly connected.
Bad ground connection from
engine to controller.
Crank relay damaged. Or on
board fuse is blown.
Out of fuel.
Ignition control wiring not
installed properly
Fuel relay damaged
Oil / temp. / extra input wiring
improperly connected.
Fault (short or overload) on
one of the annunciated outputs.
Fault (short or overload) on
one of the annunciated outputs.
Fault (short or overload) on
timer output.
17
Suggested Action
Confirm correct wiring for ground
And bat, and re-attempt testing.
Run wire directly from battery – to the
ground terminal #6 on controller unit.
Clean terminals and re-charge battery.
Replace battery if necessary.
Refer to engine control wiring and check
crank connections.
Run wire directly from battery – to the
ground terminal #6 on controller unit.
Check wiring, on board 10A fuse and relay.
Replace fuse, relay and re-test controller
again.
Check fuel level, add fuel if necessary.
Refer to engine control wiring and check
ignition connections.
Check fuel relay and replace if damaged.
Check wiring for proper connections.
Check for fault, once fault is corrected then
operation resumes.
Check for fault, once fault is corrected then
operation resumes.
Check for fault, once fault is corrected then
operation resumes.