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40MUAA: Service Manual
DIAGNOSIS AND SOLUTION
EH00 - EEPROM Parameter Error Diagnosis and Solution
Description: Indoor or outdoor PCB main chip does not receive feedback from the EEPROM chip.
Recommended parts to prepare:
• Indoor PCB
• Outdoor PCB
Troubleshooting and Repair:
Shut o the power and turn it on 2
minutes later.
Is it s
displaying the
No
The unit is opera ng normally.
error code?
Yes
Replace the indoor main PCB (EH 00)/
outdoor main PCB (EC 51)
NOTE: The priority is EH00 followed by EC51.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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