AMETEK PLA-PLW - Manual (Page 44)

FUSE REPLACEMENT
If the fuse is suspected to be defective, it should be inspected and, if necessary, replaced. To inspect or replace the fuse,
please contact to American Reliance service department before perform the following steps:
(1) Disconnect the AC line cord from the unit to reduce electrical shock hazard.
(2) Remove the fuse by sliding out the fuse holder. The fuse holder is beneath the AC receptacle. Test the fuse for
electrical continuity with an ohmmeter. Other fuse holder located at the printed circuit board.
(3) If the fuse is found to be defective, replace it with a replacement fuse as specified in the following table:
Model Type Fuse Rating Specification Location
PLW6K 2.5A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLW9K 4A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLW12K 4A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLW18K 4A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLW24K 6.3A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLW36K 6.3A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLW48K - Slave 10A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLW48K - Master 6.3A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLW60K - Slave 10A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLW60K - Master 6.3A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLA-2U 2.5A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLA-3U 4A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLA-4U 6.3A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLA-6U 8A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLA-8U-Master 10A/250V Slow Blow External Fuse (Beneath the AC receptacle)
PLA-8U-Slave 6.3A/250V Slow Blow External Fuse (Beneath the AC receptacle)
Table 2.2 – Fuse Replacement Specifications
(4) Replace the fuse in the fuse holder and re-install.
(5) Re-install the cover and connect the AC power cord.
USE OF ANY FUSE OTHER THAN THE ONE SPECIFIED MAY CAUSE DAMAGE TO THE UNIT, POSE A
SEVERE FIRE HAZARD, AND WILL VOID THE WARRANTY.
AC INPUT POWER CONNECTION
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Disconnect AC power from the instrument before removing the cover. Even with the front panel power switch in the
OFF position, live line voltages are exposed when the cover is removed and the AC cord is attached. Repairs must be
made by experienced service technicians only.
NOTE: REMOVING THE TOP COVER OR DISASSEMBLING THE UNIT WILL VOID THE WARRANTY.
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There is a potential shock hazard if the electronic load chassis and cover are not connected to an electrical ground via the
safety ground in the AC input connector. Ensure that the electronic load is connected to a grounded AC outlet with the
recommended AC input connector configured for the available line voltage.
WARNING
WARNING
CAUTION
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