Troubleshooting by Error Codes
SiUS281811EA
252
Part 6 Service Diagnosis
4.28 Outdoor Main PCB Abnormality
Error Code
E1
Applicable
Models
All outdoor units
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 main PCB (A1P)
Disconnection of the inside/outside relay wires
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Return to normal?
YES
External factor other than
error (for example, noise
etc.).
Connect the inside/outside
relay wires correctly.
Replace the outdoor main
PCB (A1P).
NO
NO
Check if
inside/
outside relay wires of
outdoor main PCB are
disconnected.
YES
Turn OFF the power once and
turn ON again.
Summary of Contents for SkyAir RZR-TA Series
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Page 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Page 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
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Page 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...