E1 Outdoor Unit: Pc Board Defect - Daikin RXYQ96PYDN Service Manual

Troubleshooting by Indication on the Remote Controller
E1
3.13 Outdoor Unit: PC Board Defect
E1
Remote
Controller
Display
Applicable RXYQ72P~240PYDN, PTJU
Models REYQ72P~240PYDN, PTJU
Method of
Abnormality is detected in the hardware section communication between the indoor unit and
Malfunction outdoor unit.
Detection
Malfunction
When the communication conditions in the hardware section between the indoor unit and the
Decision outdoor unit are not normal.
Conditions
Supposed
Causes
Troubleshooting
356
Defect of outdoor unit PC board (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 PC board is
disconnected.
NO
YES
YES
SiUS34-801A_b
External factor other than
malfunction (for example,
noise etc.).
Connect the inside/ outside
relay wires correctly.
Replace outdoor main PC
board (A1P).
(V3064)
Troubleshooting