E1 " Outdoor Unit: Pc Board Defect - Daikin VRV III REYQ8PY1 Service Manual

Troubleshooting by Indication on the Remote Controller
E1
3.13 " " Outdoor Unit:
E1
Remote
Controller
Display
Applicable REYQ8P~48P
Models
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
250
PC Board Defect
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
Si37-701
External factor other than
malfunction (for example,
noise etc.).
Connect the inside/ outside
relay wires correctly.
Replace outdoor main PC
board (A1P).
(V3064)
Troubleshooting