Zeiss Humphrey Field Analyzer 3 - Fuse Replacement Procedures

General Information
Humphrey Field Analyzer 3 Service Manual 8 2660021151225 A
System Fuse Replacement
The Humphrey Field Analyzer 3 instrument is a modular system with
each major subsystem possessing its own power fuses.
WARNING: Only ZEISS Field Support Engineers are authorized to
diagnose power problems and replace fuses. Tampering with fuses on
the Humphrey Field Analyzer 3 instrument voids all warranties and
liabilities.
Power Table Fuse Replacement
Note: HFA 120 & HFA 230 Power Table only.
Two fuses are located just below the table power cord inlet, near the floor.
CAUTION: Carefully follow these instructions to safely replace the
table fuses. Always power down the table and unplug the power
cord before proceeding. At all times, use the minimum force
necessary to accomplish each step so as to prevent damage or
injury.
1. Power down the table. Unplug the table power cord at both ends, for
safety and easy access.
Figure 1. Table power entry module / fuse holder assembly