U3 Check Operation Is Not Executed - Daikin VRVII Manual

Troubleshooting by Indication on the Remote Controller
U3
3.61
Executed
Remote Controller Display
U3
Applicable Models
All outdoor unit series
Method of Error Detection
Check operation is executed or not executed.
Error Decision Conditions
Error is decided when the unit starts operation without
check operation.
Supposed Causes
Check operation is not executed.
Check Operation is not
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