A15 Starter Power Source Output Short Circuit - Panasonic 2WAY Multi Technical & Service Manual

A15 Starter Power Source Output Short Circuit

Error detection method
When the starter power primary current meets the following conditions, an error is determined upon 5
consecutive occurrences in 1 hour.
• Not during cranking: When 40A or more is detected for 0.1 second or more
• Not during cranking: When 26A or more is detected for 0.2 second or more
• Not during cranking: When 3.8A or more is detected for 5.0 second or more
Note 1) The starter power source magnet switch (52S) operation is as follows.
• 52S turns ON upon operation signal input. If no abnormalities occur thereafter (A15, A16, A17), this stays
ON,and turns OFF upon stop signal input.
• Turns OFF when error occurs.
Troubleshooting
1
Reoccurs even when disconnecting the two wires from the
1-1
Starter
starter power sours ⊕ terminals?
power
source (DC
Reoccurs even after disconnecting control board connector
1-2
current)
3P (yellow) CN063 (Ignore abnormality A17 if it occurs.)
2 Is either of the two wires from the starter power sours
⊕ terminal to the starter short-circuit, ground faulted, or
Starter 2-1
misrouted?
● 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 *Reference (Electrical Wiring Diagram C-D-1-2)
• 1 -1, 2-1
IV–15
Yes 1-2
No 2-1
Yes Replace control board
Replace starter power
No
sours
Yes Repair/replace wiring
No Replace starter