By hvhipot 
Dc resistance tester has perfect protection function, can reliably protect the impact of back potential on the instrument, with automatic discharge indicating function. Display measuring current and measuring time. Intelligent power management technology can effectively reduce the heating inside the instrument. Can store 120 times of measurement data, power loss is not lost. All Chinese characters menu and operation tips, intuitive and convenient.
Dc resistance tester faults and troubleshooting methods:
I. No display is displayed when the device is started. The reason is no AC 220V. The handling method is to check the power cable and insurance.
Two, the display is not normal, mainly because of the motherboard or monitor fault, the treatment method is to check the computer motherboard or replace the monitor.
Three, charging fuse insurance, the main reason is the current series resonance fault, the solution is to replace the constant current switching power supply.
FHV Hipot Electric Co., Ltd., display fault one, the main reason is the hardware circuit fault, the treatment method is to check the computer motherboard.
Five, display fault two, the main reason is the current loop is blocked or the current series resonance fault, the treatment method is to check the wiring.
The main reason is that the charging current cannot meet the requirements. The treatment method is that the contact resistance is too large.
Seven, show fault fHV Hipot Electric Co., Ltd., the main reason is that the tested product is beyond the measurement range.