E1 " Outdoor Unit: Pcb Defect - Daikin RQYQ140-180PY1 Service Manual

R-410a heat pump 50hz and r-410a heat recovery 50hz
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SiBE341001
E1
"
" Outdoor Unit: PCB Defect
2.6
E1
Remote
Controller
Display
Applicable
RQYQ-PY1
Models
RQEQ-PY1
Method of
Abnormality is detected under the communication conditions in the hardware section between
the indoor unit and outdoor unit.
Malfunction
Detection
Malfunction
When the communication conditions in the hardware section between the indoor unit and the
outdoor unit are not normal.
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Defect of outdoor unit PCB (A1P)
Defective connection of inside/ outside relay wires
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Turn off the power once and
turn on again.
Return to normal?
NO
Check if inside /
outside relay wires of
outdoor main PCB is
disconnected.
NO
YES
YES
Troubleshooting by Remote Controller
External factor other than
malfunction (for example,
noise etc.).
Connect the inside/ outside
relay wires correctly.
Replace the outdoor main
PCB (A1P).
110

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