Pcb Abnormality - Daikin LRYEQ16AY1 Service Manual

Troubleshooting

8.4.17 PCB Abnormality

E1
Error Code
Applicable LRYEQ16AY1
Models
Method of Error Abnormality is detected under the communication conditions in the hardware section between
the indoor unit and outdoor unit.
Detection
Error Decision When the communication conditions in the hardware section between the indoor unit and the
outdoor unit are not normal.
Conditions
Supposed
Causes
Troubleshooting
Caution Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
Turn OFF the power once and turn
ON again.
Return to normal?
Check if inside / outside
relay wires of outdoor
189
Defective outdoor unit PCB (A1P)
Defective connection of inside/ outside relay wires
YES
NO
YES
unit main PCB is
disconnected.
NO
SiBE811001EB
External factor other than error
(for example, noise etc.).
Connect the inside/ outside
relay wires correctly.
Replace the outdoor unit main
PCB (A1P).
CONVENI-PACK