Hydronix Hydro-Control VI Installation Manual page 98

Diagnostics
Symptom: Blue Screen during power up
Possible explanation
Caused by removing
power to the Hydro-
Control before shutting
down the system
Symptom: Orange dialog 'Write Filter Error'
Possible explanation
Caused by the write
filter being in the
wrong state
98 Hydro-Control VI Installation Guide HD0455 Rev 1.9.0
Check Required result
Press and hold the Correct startup
power button until
the unit powers off
and then press it
again to restart.
Check Required result
Restart the unit and Correct startup
see if the box
reappears
Appendix B
Action required on failure
If Blue Screen persists then
the System Card will need
replacing – Contact Hydronix
for further information.
Action required on failure
Replace System Card with the
correct colour Card. The Card
colour must be the same as
the factory installed System
Card.