A16 Starter Lock - Panasonic 2WAY Multi Technical & Service Manual

A16 Starter Lock

Error detection method
• During cranking, a Starter Locked error is assumed when any of the following conditions occur 5 times in
1 hour: the starter power primary current meets the following condition, no revolution pulse is detected, no
input from the crank angle sensor, no input from the ?cam? angle sensor.
• When 32A or more is detected for 1.0 second or more
Troubleshooting
1) Check starter
1 Check for starter lock (If there is no starter lock (includes engine and compressor) replace the
1-1
Starter outdoor main board)
● For work procedure for replacing outdoor main board, see "5. Reference Document".
2) Temporarily remove the compressor drive belt, and check the following rotating parts for locking.
(See Periodic Inspection and Parts Replacement Manual for installing and removing compressor drive belt)
2
Compressor
2-1 Rotates by hand with some resistance?
3 Temporarily remove ignition plugs from all cylinders.
Engine Can the engine crank be rotated? (To rotate the crankshaft, follow the procedure in the
3-1
Periodic Inspection and Parts Replacement Manual.)
Replace engine if the engine crankshaft does not rotate.
● 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
IV–16
Yes 3-1
Replace
No
compressor