Panasonic 2WAY Multi - F31 Outdoor Nonvolatile Memory (EEPROM) Error

IV–65
F31 Outdoor Nonvolatile Memory (EEPROM) Error
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Error detection method
• An error is determined when the nonvolatile memory (EEPROM) on the outdoor main board cannot be
written.
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Troubleshooting
1
Nonvolatile
memory
1-1
Is the nonvolatile memory on the outdoor main board correctly
oriented in the IC socket, and inserted fi rmly?
Yes 1-2
No Repair
1-2
Turn OFF the outdoor unit, then turn ON and observe. If
the error recurs, replace nonvolatile memory (provided with
service board). Does this eliminate the error?
Yes Defective EEPROM
No
Replace indoor control
board
● For a procedure on replacing non-volatile memory (EEPROM) and an 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
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