A26 Flameout Error - Panasonic 2WAY Multi Technical & Service Manual

A26 Flameout Error

Error detection method
• An error is determined when the engine revolution speed fl uctuates widely during engine operation. The
engine is stopped and an error fl ag is set.
A fl ameout error is assumed when this fl ag has shut down the engine 5 consecutive times in 1 hour.
Troubleshooting
1
1-1 Are sparks emitted properly?
Ignition system
error
1-2 Proper ignition timing?
Any poor connection/contact/crimping and broken wires
1-3 in wiring between the outdoor main board connector 6P
(white) CN010, 6P (black) CN011 and each IG coil (igniter)?
1-4 Ignition plug working properly?
Try replacing the IG coil (igniter). If fault persists after replacement, replace the outdoor
1-5
main board.
2
2-1 Measure compression (See A06 5-1).
Engine unit
error
2-2 Wash valve and adjust valve clearance. If still NG, replace engine head.
3
Check operation of fuel gas regulating valve and throttle
3-1
Fuel regulating
(step motor). Operating properly?
system error
3-2 Inspect zero governor. Operating properly?
3-3 Air intake occurring? Check rubber plug on intake manifold, etc.
● For work procedure for replacing outdoor main board, see "5. Reference Document".
● For board and Electrical Wiring Diagram, see Chapter 6.
• Outdoor main board: page VI-2
• Outdoor power board: page VI-3
• Converter board: VI-4
• Indoor control board for DC motor models: page VI-5
• Outdoor Unit Electrical Wiring Diagram: page VI-6
• 1-2
1-2 See Chapter 5 for timing adjustment.
IV–26
Yes 1-2
No 1-3
OK 2-1
NG Adjust timing
Yes Repair wiring
No 1-4
Yes 1-5
No Replace ignition plug
OK 3-1
NG 2-2
Yes 3-2
No Replace
Yes 3-3
No Restore