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Troubleshooting by Indication on the Remote Controller
313
Fix the problem.
External control adaptor
for outdoor (outside) unit
•
Is there continuity?
•
Does the cool/heat
unified address match?
Outdoor (outside) unit
(unified master unit)
•
Is there continuity?
•
Does the cool/heat
unified address match?
NO
NO
YES
YES
YES
C/H
SELECT is set to
"SLAVE."
Check
and see if the
following items are
normal.
Replace the
outdoor (outside)
unit outdoor
(outside) control
adaptor.
replacement
NO
Replace the
outdoor (outside)
unit PCB.
Does
an error occur
when the cool / heat
selector is set to
"IND?"
A