Manualshelf

Multi-Zone Technical Overview

ManualsBrandsHaier ManualsAir ConditionersAir Conditioner Cooling Area, Adjustable Air Direction
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Table Of Contents
REFERENCES
PAGE 114
ENGLISH
FLOW CHARTS
Caution: Be sure to turn power switch o before connecting or disconnecting the connector, or
parts may sustain damage.
YES
YES
Restart the system
Does it start up normally but the error
occurs again after a short period of time?
Check whether the wiring between the indoor
and outdoor units is properly connected
Reconnect the wiring or
replace it
• A defective outdoor PCB can cause communication errors
• A defective indoor PCB can cause communication errors
•The indoor PCB is defective
•The outdoor PCB is defective
• The Module PCB is defective
• Communication wiring is disconnected
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