E1" Outdoor Unit: Pcb Defect - Daikin RTSQ20PY1 Service Manual

Troubleshooting by Indication on the Remote Controller
E1
4.14 " " Outdoor Unit: PCB Defect
E1
Remote
Controller
Display
Applicable RTSQ8P~16P (Outdoor Unit), BTSQ20P (Function Unit)
Models
Method of Abnormality is detected under the communication conditions in the hardware section between
the indoor unit and outdoor unit or function unit.
Malfunction
Detection
Malfunction When the communication conditions in the hardware section between the indoor unit and the
outdoor unit or the function unit are not normal.
Decision
Conditions
Supposed
Causes
Troubleshooting
243
Defect of outdoor unit PCB (A1P)
Defect of function unit PCB (A1P)
Defective connection between the indoor and outdoor unit or function unit
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
While in monitor mode, check
the outdoor unit and the
function unit concerned.
Check if indoor /
outdoor or function
unit relay wires of
outdoor main PCB
is disconnected.
NO
YES
YES
SiBE31-801_C
External factor other than
malfunction (for example,
noise etc.).
Connect the indoor /
outdoor or function unit
relay wires correctly.
Replace the outdoor main
PCB (A1P).
Troubleshooting