Chopin AlveoPC, Maintenance Manual

Page: 52 / 174

52 Chapter 2 Trouble-shooting
Maintenance manual
2016/02
AlveoPC
C-6 Water cooling inopera-
tive
(for Mixer or Alveograph)
Excessive
temperature?
( Mixer > 24°C
Alveo > 25°C)
NO
Water cooling
inopérative
No defect
END
Cooling electrovalve
supplied under
24 Vcc?
Replace the
CPU board
END
NO YES
YES
Confirm the defect by
carrying out a
cooling test
Replace the
electrovalve
END
Check voltage at the
cooling electrovalve
Water circuit
properly
connected?
NO YES
Connect the
water supply
END
Excessive water
temperature
(> 18°C)?
NO
YES
Install a cooling
system
END
Water is
running?
YES
NO
END
Control the
temperature
probe and
replace if needed
see op. B13-3
p.144
see op. A10-4
p.101
see op. B5-1
p.132
see op. B7-1
p.134
see op. A5-4
p.89
see op. B4-4
p.131
or
see op. A10-5
p.102