Daikin REYQ8-48PY1B, Руководство по обслуживанию

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Troubleshooting by Indication on the Remote Controller SiBE37-701_B
353 Troubleshooting
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
C/H SELECT of the external
control adaptor for outdoor unit
is set to “IND”.
Cool/Heat selection
is unified.
Confirmation of malfunction 3 Confirmation of malfunction 4
Diagnosis Flow 2
Setting of C/H SELECT
of the external control
adaptor for outdoor unit
is “MASTER”.
Setting of C/H SELECT
of the external control
adaptor for outdoor unit
is “SLAVE”.
NO
YES
YES
NO
NO
YES
The integrated addresses for
cooling/heating within the
outdoor/outdoor transmission are
duplicated. Set the address
again.
Replace the main PCB of the
outdoor unit.
Supply the power to the outdoor
unit.
Replace the main PCB of the
outdoor unit.
Connect the power supply wire
for the external control adaptor
for outdoor unit to 5V supply
line.
Check if the
outdoor unit is
powered on.
Check if the power supply wire
for the external control adaptor
for outdoor unit is connected to
5V supply line.
Check if the normal
condition monitor
LED for the outdoor
unit main PCB
blinks.
Check if the normal
condition monitor LED for
the external control adaptor
for outdoor unit blinks.
Set the C/H SELECT of the
external control adaptor for
outdoor unit to “IND”. Then
check if the failure occurs
again.
YES
NO NO
NO NO
YES
YES
YES
NO
YES
Replace the PCB of the external
control adaptor for outdoor unit.
Replace the main PCB of the
outdoor unit.