Troubleshooting by Error Code SiAF332111E
230 Part 6 Service Diagnosis
5.22 Outdoor Unit Main PCB Abnormality
Applicable
Models
All outdoor unit models
Error Code E1
Method of Error
Detection
Abnormality is detected under the communication conditions in the hardware section between
the indoor unit and outdoor unit.
Error Decision
Conditions
When the communication conditions in the hardware section between the indoor unit and the
outdoor unit are not normal.
Supposed
Causes
Defective outdoor unit main PCB
Disconnection of the inside/outside relay wires
Troubleshooting
Return to normal?
YES
External factor other than
error (for example, noise
etc.).
Connect the inside/outside
relay wires correctly.
Replace the outdoor unit
main PCB (A1P).
NO
NO
Check if
inside / outside
relay wires of outdoor
unit main PCB is
disconnected.
YES
Turn OFF the power once and
turn ON again.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
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