Improper Combination Of Indoor And Outdoor Units - Daikin LRYEQ16AY1 Service Manual

Troubleshooting

8.4.56 Improper Combination of Indoor and Outdoor Units

UA
Error Code
Applicable LRYEQ16AY1
Models
Method of Error The number of indoor units is out of the allowable range.
Detection
Error Decision The error decision is made as soon as either of the abnormalities aforementioned is detected.
Conditions
Supposed
Causes
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
The total of indoor
units displaying "
connected to the same
refrigerant system is
within connectable
Press the RESET button of outdoor
unit PCB for 5 sec.
Does the error reoccur?
245
Excess of connected indoor units
Defective outdoor unit PCB
UA
"
and indoor units
NO
number of unit.
YES
NO
YES
SiBE811001EB
The number of indoor units that
can be connected to a single
outdoor unit system is excess of
allowable range.
Normal
Replace the outdoor unit main
PCB.
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