Manualshelf

Multi-Zone Technical Overview

ManualsBrandsHaier ManualsAir ConditionersAir Conditioner Cooling Area, Adjustable Air Direction
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Table Of Contents
REFERENCES
PAGE 112
ENGLISH
FLOW CHARTS
Caution: Be sure to turn power switch o before connecting or disconnecting the connector, or
parts may sustain damage.
Turn on the unit with the remote
control. Check to see if the
compressor starts normally.
Does it start normally?
Test the outdoor power supply
(+310VDC) with a multimeter.
Check to see if the power is >150V
or<390V
Error code may have resulted from
power source uctuation
YES
YES
NO
NO
Is 230V system power OK?
YES
Change the IPM module
The issue may be power source related.
Check with your service provider.
Change the IPM module
LED1 ashes 6 times
A voltage signal is fed from the voltage detection circuit to the microcomputer
• Improper supply voltage
•The IPM Module is defective
• The outdoor PCB is defective