Check Operation Is Not Executed - Daikin VRV II-Q RQYQ8-48PY1B Service Manual

SiBE341027

2.32 Check Operation is not Executed

U3
Remote
Controller
Display
Applicable RQYQ-PY1B
Models
Method of Error Check operation is executed or not
Detection
Error Decision Error is decided when the unit starts operation without check operation.
Conditions
Supposed
Causes
Troubleshooting
Service Diagnosis

Check operation is not executed.

Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Has the check
operation performed
on outdoor unit PCB?
YES
NO
Troubleshooting by Remote Controller
Press and hold BS4 on the
outdoor unit main PCB for 5
seconds or more to conduct a
check operation.
Performs the check operation
again and completes the check
operation.
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