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6.5.2 BLOWN FUSE CONDITIONS
Power Supply Unit
Fuse
Rating
Symptom when turning on the main switch
120V-127V 220V-240V
FU1 10A/250V 10A/250V ï‚§ 24V power to the BICU not supplied.
FU2 10A/250V 10A/250V ï‚§ 24V power to the BICU not supplied.
FU3 5A/250V 5A/250V
ï‚§ 5V power to the BICU not supplied.
ï‚§ 24VS1 power to the BICU not
supplied.
FU101 15A/250V 8A/250V Fusing SC occurs.
FU102 10A/250V 6.3A/250V No response
FU103 2A/250V 2A/250V
Power to all the anti-condensation heaters
not supplied.
FU104 10A/250V 10A/250V ï‚§ 24V power to the BICU not supplied
FU301 3.15A/250V 3.15A/250V
ï‚§ 5V power to the BICU not supplied
ï‚§ 24VS1 power to the BICU not
supplied
ï‚§ For continued protection against risk of fire, replace only with same type and rating of
fuse.