GE Centiva/5 Plus, Technical Reference Manual

Page: 127 / 214

7 Repair procedures
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a 7-21
7.7.2 Change the
control panel fuses
Note
The Centiva/5 Plus CC ventilator’s control panel is protected by the following fuses:
(in order from left to right)
a)
SI 381 = + 5V controller voltage = 0.8 A slow blow.
b) SI 380 = control panel voltage input = 0.8 slow blow.
c) SI 300 = LCD Backlight supply = 0.8 A slow blow.
d) SI 2 = Alarm horn supply = 0.315 A slow blow.
e) SI 1 = battery supply = 0.032 A fast blow.
Always use the identical type and rating when replacing a fuse. For details see list
of fuses in section 9.7.
To replace the fuses inside the panel follow this sequence:
1. Ensure that the system is turned OFF and line power is disconnected.
2. Remove panel from main engine according to section 7.2.2.
3. Open the panel according to section 7.2.3.
4. Replace fuse.
5. Verify proper function after reassembly by performing a power-up test.
6. In case the fuse blows again, analyze the reason prior to another
replacement of fuses.
For location details of fuses refer to the component print of PC board A in section 9.