Panasonic S-50PY2E5A - Page 590

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F31 Outdoor Unit Nonvolatile Memory (EEPROM) Trouble
Error Detection Method
Error Diagnosis
It is judged an error based on the criteria listed below.
When power initially turned ON for the first time, nonvolatile memory (EEPROM) is not installed.
Read values after writing onto nonvolatile memory (EEPROM) is inconsistent.
•
•
1.
2.
Does EEPROM exist on the control PC board?1-1
1-2
Install EEPROM
Yes
No
1
PC board
Incorrect EEPROM
Replace with correct EEPROM.
1-3
Is EEPROM installed properly?
(Check: Bent IC pin or incorrect installation, etc.)
1-2
1-3
Correct
Yes
No
SM830231-02Single欧州.indb34SM830231-02Single欧州.indb34 2014/09/1115:44:102014/09/1115:44:10