Megger MFT70-US - Test will Not Start

www.megger.com
28
Setup options
Test will not start
“CON” -Wrong connection to instrument.
“hot” -Internal resistors are too hot. Also shows thermometer.
“Hot” -Internal heat sink is too hot. Also shows thermometer.
“VOL >280V” (for example)
-Supply voltage is too high.
“L-N <48V” (for example) -Voltage on terminals is too low for L-N loop test
“L-E <48V” (for example) -Voltage on terminals is too low for L-E loop test or GFCI test
“FRE <45” -Supply frequency is too low for loop test or GFCI test
“FRE >65” -Supply frequency is too high for loop test or GFCI test
“NO REF” -Loop R1 and R2 test attempted without having previously done a Zref test.