4601 I-V Meter Operation Manual
5.4.4 Other Alarm Detection
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5.4.4
Other Alarm Detection
Other alarms are detected in the event of occurrence of abnormalities such as overvoltage or fan stop.
When any of these alarms is detected, the output turns OFF and is set to the Standby status.
In this case, turn the power OFF, disconnect the output cable, and turn the power ON again.
If the alarm is still generated, request a repair service.
Error code
Message
Detection timing
Description
+401
Fan Stopped
At any time
The rear panel fan stops.
+402
Over Heat
At any time
The temperature of the internal amplifier rises
unusually.
+403
Booster Unit Error
At any time
A booster error occurs.
+404
Over Load
At any time
Overvoltage or overcurrent is applied from the
outside, or an internal error occurs.
+405
Over Voltage
At any time
Overvoltage of +310 V or higher or -3 V or
less is applied from the outside.