Maintenance / Troubleshooting / Application Examples

Maintenance Method for the HAKKO 498

Tips for using the unit correctly...
If a failure phenomenon occurs...

Tips for using the unit correctly...	POINT 1	Reason why the unit is not judged as GOOD
	POINT 2	Simple daily inspection
	POINT 3	Acceptable judgment range (800kΩ≤R≤9MΩ)
	POINT 4	Accuracy check method
	POINT 5	Influence on pacemaker-implanted persons and pregnant women

If a failure phenomenon occurs...	CASE1	The lamps are darker than usual. Both lamps are lit at the same time. Buzzer sound is weak or buzzer does not sound.
	CASE2	The lamp is not lit and the buzzer does not sound.
	CASE3	The HIGH lamp remains lit.