TP-6196 10/0930 Section 3 Troubleshooting
Troubleshoot in g Chart, continu ed
Problem ReferenceCorrective ActionPossible Cause
Stops
suddenly,
continued
Fuel val ve/fuel regulator Check regulator/valve operation. Section 2
Section 7
Engine overloaded Reduce electrical load. —
Loss of generator output
voltage to controller
Check connections at P15 plug.
Check continui ty of AC sensing leads 11 and 44.
Section 8
Magnetic pickup
connections
Check for loose connections to the mag pickup. Section 6.9
Ignition module Test and/or replace. Engine S/M
K3 (fl ash) relay on RIB.
(ADC 2100)
Check for Flash LED illumination. Check fuse F2. Replace relay
board.
Section 4.8
K3 (fl ash) relay on
controller board
(ADC-RES)
Check for Flash LED1 illumination. Check fuse F2. If LED1 is lit
but relay does not operate, replace controller board.
Section 5.7
Operates
erratically
Air cl eaner clogged Replace element. Section 2.4
Spark plug(s) Replace and regap plugs. Section 2.3
Spark plug wire(s) Replace spark plug wires. Engine S/M
DSAI leads incorrectly
connected or
disconnected
(12kW only)
Connect for natural gas. Disconnect for LP. Section 6.12.5
Fuel l ine restriction Check fuel lines. Section 6.12.1
Fuel m ixture adjustment
incorrect
Check and/or adjust. Section 6.12
Magnetic pickup
connections
Check for loose connections to the mag pickup. Section 6.9
Governor adjustment
incorrect
Adjust governor stability. Section 6.9 or
6.10
Ignition system Test and/or replace components. Engine S/M
Inadequate cooli ng
(hot engine only)
Inspect air inlet and outlet. Section 2.5
Carbon buildup in engine Clean cylinder head. Engine S/M
Engine valv es not
seating correctly
Check cylinder pressures with leakdown test. Inspect valves
and valve seats.
Engine S/M
Lacks
power
Air i ntake restriction,
inadequate cool ing
Inspect air intakes and exhaust for obstructions.
Check air cleaner.
Section 2.5
Section 2.4
Generator overloaded Reduce load. —
Spark plug(s) Replace and regap plug(s). Section 2.3
Spark plug wire(s) Replace spark plug wires. Engine S/M
DSAI leads incorrectly
connected or
disconnected
(12kW only)
Connect for natural gas. Disconnect for LP. Section 6.12.5
Insufficient fuel pressure Check fuel pressure at carburetor outlet. Section 6.12
Fuel l ine restriction Check fuel pipe size. Section 6.12
Fuel regulator Check function of fuel regulator. Section 6.12
Engine not running at
rated rpm
Check controller settings for unit configuration (UC) and engine
type (EC).
Adjust governor speed.
Section 4.5 or
Section 5.5
Section 6.9 or
6.10
Engine power loss Refer to the engine service manual for troubleshooting and
repair instructions.
Engine S/M
Lacks
power,
continued
Governor malfunction or
misadjustment
Test/readjust governor. Section 6.9 or
6.10
Ignition system Test and/or replace. Engine S/M
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