Changing The Fuse - PerkinElmer PTP-1 User Manual

52 . Peltier Temperature Programmer User's Guide

Changing the Fuse

Disconnect the instrument from the main power supply by unplugging the line
power plug from the power module.
WARNING
1. Pry open the fuse compartment located at the rear of the PTP (Figure 10) using a
screwdriver.
Figure 10 Rear of PTP controller showing fuse compartment
2. Replace both fuses, even if only one fuse has failed.
If one has failed the other fuse will have been weakened. The neutral and live fuses are
the same, and are detailed in the table.
Voltage Supply
240 V
120 V
Fuse
compartment
Fuse
1 AT, 250 V
2 AT, 250 V