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REPLACEMENT OF SERVICE PC BOARD (MCC-1753)
[Requirement of replacing the Hydro unit Main PC board assembly]
<REPLACEMENT PROCEDURE>
CASE 1
Before replacement, power of the Hydro unit can be turned on and the setup data can be readout by the
wired remote controller.
CASE 2
Before replacement, the setup data cannot be readout by the wired remote controller.
1
2
3
Power reset
2
3
Power reset
15 Appendix