Outdoor Main Pcb Abnormality - Daikin SkyAir RZR-TA Series Service Manual

Troubleshooting by Error Codes

4.28 Outdoor Main PCB Abnormality

E1
Error Code
Applicable All outdoor units
Models
Method of Error Abnormality is detected under the communication conditions in the hardware section between the
Detection indoor unit and outdoor unit.
Error Decision
When the communication conditions in the hardware section between the indoor unit and the
Conditions outdoor unit are not normal.
Supposed
 Defective outdoor main PCB (A1P)
Causes  Disconnection of the inside/outside relay wires
Troubleshooting
252
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Turn OFF the power once and
turn ON again.
Return to normal?
NO
Check if
inside/
outside relay wires of YES
outdoor main PCB are
disconnected.
NO
YES
SiUS281811EA
External factor other than
error (for example, noise
etc.).
Connect the inside/outside
relay wires correctly.
Replace the outdoor main
PCB (A1P).
Part 6 Service Diagnosis