Over-Temperature Protection - ITech IT-M3600 Series User Manual

The Sense Protect will be triggered when the instrument state meets the follow-
ing conditions.
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•
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The Sense reverse protection is always enabled, and the user does not need to
set up or turn on it. In the case of Sense reverse protection, On/Off is turned off.
The user needs to check the wiring conditions of the Sense+ and Sense- termi-
nals on the rear panel, and eliminate abnormal conditions. Press [Esc] key (or
send command PROTection:CLEar) to clear the protection state. The "Sense
Protect" on the front panel of the instrument disappears, and the instrument ex-
its the Sense abnormal protection status.

6.8 Over-Temperature Protection

An Over Temp Protect will occur if:
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•
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Clear Over-Temperature Protection
When Over-Temperature Protection occurs, the instrument responds as
follows:
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•
•
•
To clear the OTP and return to normal operation, firstly remove the conditions
that caused the protection fault. Press [Esc] key (or send the command
PROTection:CLEar) to clear the protection status. The prompt displayed in front
panel is cleared and the instrument exits OTP status.
The Sense Measure function is enabled in the Sestem menu.
On/Off is turned on;
The voltage difference between the local voltage measured by the instru-
ment and the remote voltage exceeds the specification value internally set
by the instrument;
The internal temperature of the instrument exceeds 85 degrees
Fan fault
The failure of internal temperature sensor.
Instrument output is off.
The buzzer sounds 3 times intermittently with intermittence of 2 seconds.
The interface displays "Under Current Protect" or "Fan Failure" and flashes
or the failure of the temperature sensor "Temp Sensor Failure";
Status register, the OT status bit is set to 1 or FAN_FAIL status bit is set to
1.
Copyright © Itech Electronic Co., Ltd.
System-Related Functions
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