Panasonic 2WAY Multi - A26 Flameout Error

IV–26
A26 Flameout Error
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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.
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Troubleshooting
1
Ignition system
error
1-1 Are sparks emitted properly?
Yes 1-2
No 1-3
1-2 Proper ignition timing?
OK 2-1
NG Adjust timing
1-3
Any poor connection/contact/crimping and broken wires
in wiring between the outdoor main board connector 6P
(white) CN010, 6P (black) CN011 and each IG coil (igniter)?
Yes Repair wir ing
No 1-4
1-4 Ignition plug working properly?
Yes 1-5
No Replace ignition plug
1-5
Try replacing the IG coil (igniter). If fault persists after replacement, replace the outdoor
main board.
2
Engine unit
error
2-1 Measure compression (See A06 5-1).
OK 3-1
NG 2-2
2-2 Wash valve and adjust valve clearance. If still NG, replace engine head.
3
Fuel regulating
system error
3-1
Check operation of fuel gas regulating valve and throttle
(step motor). Operating properly?
Yes 3 -2
No Replace
3-2 Inspect zero governor. Operating properly?
Yes 3 -3
No Restore
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.
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