2 Service and Maintenance
Checking the Fuse
54 U1270 Series Service Guide
Table 2 - 2 Fuse displayed readings
Current input terminal Fuse Part number Fuse rating
Displayed readings
Fuse healthy Replace fuse
1 2110-1400 440 mA/1000 V ≈102 Ω OL
2 2110-1402 11 A/1000 V ≈0.05 Ω OL
