Waters ACQUITY UPLC Operator's, Overview And Maintenance Manual page 143

Replacing the column heater/cooler fuse (ACQUITY UPLC 30-cm
CHC)
Caution:
those of the same type and rating.
Column heater/cooler fuse ratings require:
• Two fuses
• 3.15 A, 250 V Fast-Blo, 5 × 20 mm (IEC)
To install or replace the power supply fuse in the column heater/cooler:
1. Ensure that the power switch is in the Off (0) position, and then remove
the power cord from the device's rear panel.
2. Locate the power entry module on the device's rear panel.
3. Insert your fingers into the fuse holder slots on the device's rear panel,
and exerting a minimum pressure, pull on the spring-loaded fuse holder,
removing it from the rear panel.
4. Remove and discard the old fuse.
5. Make sure that the replacement fuse is properly rated for the column
heater/cooler.
6. Insert the new fuse into the fuse holder.
To avoid damaging electrical components, replace fuses with
Maintaining the column compartments 139