Si20-701_B Troubleshooting by Remote Controller
112
Remote Controller Display
AJ
Application Models
FBQ, FMDQ, FAQ-BU, FCQ-C7, FMCQ, FFQ-B, FHQ-B,
FUQ
Error Decision Conditions
Operation and:
When the capacity code is not saved to the PCB, and the
capacity setting adaptor is not connected.
Supposed Causes
îš„ Defective capacity setting adaptor connection
îš„ Defective indoor unit PCB
Troubleshooting
NO
YES
The
indoor unit PCB
was replaced with a
spare PCB.
Replace the
indoor unit PCB.
YES
NO
The
capacity
setting adaptor was
installed when
replacing the
PCB.
Replace the
indoor unit PCB.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Install a capacity
setting adaptor.
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