Olympus UHI-2 - Relief Function Issues

1-8 Relief fails. (Relief check)
Check the relief mode.
Does the LED DS3
flicker when the set
pressure value is +5
mmHg or higher?
Defective UPUH15U
Replace the UPUH15U.
Defective solenoid valve
Replace the manifold U.
End
Relieved?
Relief mode does not work.
Check that the relief mode indicator is lighting.
TROUBLESHOOTING
2-9