
21
KUSAM-MECO Feb 2018
®
Power ON / OFF For Battery-Operated Functions
The battery-operated portion of the tester turns on
automatically when the two test probes are shorted
together, or significant operating voltage level is
detected. See specifications for power-on threshold
details. Where available, momentary press the
Resistance, Capacitance or Backlight button can
also manually turn on the tester. The tester turns off
automatically after no further significant testing or
push-button activities for approximately 8 seconds
for Resistance & Capacitance functions or 16
seconds for others.
To avoid electrical shock, disconnect the tester from
any circuit and remove the test probes from the input
jacks before opening the case and / or the battery
access door. Do not use the tester with open case
and / or the battery access door. Do not attempt to
repair this unit. It contains no user-serviceable parts.
Unauthorized persons shall not disassemble the
tester.
WARNING
MAINTENANCE
Periodically wipe the case with a damp cloth and mild
detergent; do not use abrasives or solvents. The
tester should be kept dry and clean. If the tester is not
to be used for periods of longer than 60 days, remove
the batteries and store them separately.
Cleaning and Storage
Trouble Shooting
22
KUSAM-MECO Feb 2018
®
If the tester fails to operate, check batteries, probes
etc., and replace as necessary. Double check
operating procedure as described in this user’s
manual.
If the tester voltage-continuity input has subjected to
high voltage transient (mostly caused by lighting or
switching surge to your system) by accident or
abnormal conditions of operation, the series fusible
resistors will be blown off (become high impedance)
like fuses to protect the user and the tester. Most
measuring functions through this input will then be
open circuit. The series fusible resistors and the
spark gaps should then be replaced by qualified
technician.
Low-Battery Indication
WARNING
Always power-on the tester and check
for low-battery status before using battery-operated
functions. Replace low-batteries ASAP to maintain
tester accuracy and functionality.
EF and Continuity LEDs flashing simultaneously to
Indicate Low-Battery.
(KM 67)
The LCD annunciator turns on to Indicate Low-
Battery.
(KM 69)
Loosen the 2 screws from the battery access door
of the case bottom. Lift the battery access door up.
Replace the batteries. Re-fasten the screws.
Battery Replacement
The tester uses 1.5V AAA Size (NEDA 24A OR IEC
LR03) Alkaline Battery x 2