33
9.2.7 P0(Module protection) diagnosis and solution.
9.2.8 P1(over voltage or too low voltage protection) diagnosis and solution.
Be sure the power supply
is normal when using the
units
Is all connections on
PCB and between PCB
and compressor good?
Repair or correct the
connector or connection.
Replace the outdoor
PCB and then repower
on.
Is
the
failure
cleared?
NO
YES
Check the compressor
NO
Is the power supply
good?
NO
YES
Replace
the
outdoor
e-box.
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Страница 9: ...6 4 Refrigerant cycle diagram...
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