Functions and Features
• Status register, the OP status bit is set to 1.
Enable OPP
1. Press [Shift]+[Esc] (Protect) to enter Protect menu interface.
2. Use left and right keys or rotate the knob to select OPP and press [Enter]
key to confirm.
3. Use left and right keys or rotate the knob to select On and press [Enter] key
to confirm.
4. Rotate the knob to adjust the over-power limit Level and press [Enter] key
to confirm.
5. Rotate the knob to adjust the delay time Delay and press [Enter] key to
confirm.
6. Press [Esc] to exit the protection menu setting.
Clear Over-Power Protection
To clear the over-power and return to normal operation, firstly remove the condi-
tions that caused the protection fault. Press [Esc] key (or send the command
PROTection:CLEar) to clear the protection status. The “Over Power Protect”
displayed in front panel is cleared and the instrument exits OPP status.
4.6.5 Over-Temperature Protection
To prevent damaging heat build-up and ensure specified performance, make
sure there is adequate ventilation and air flow around the instrument to ensure
proper cooling. Do not cover the ventilation holes on the top, sides, or bottom of
the instrument.
Even with proper ventilation, the instrument can overheat in the following
situations
• If the ambient temperature is too high;
• If you use the instrument to test for long periods.
Over-temperature protection is a protective measure implemented when the in-
ternal temperature of the instrument exceeds 90 degrees. Once the over-tem-
perature protection has been triggered, the output will shut down and VFD
shows “Over Temp Prot”.
If an over-temperature condition occurs, turn off the instrument and allow it to
cool for 30 minutes. You cannot turn the output on until the instrument cools
down. Press [On/Off] key to turn the output on.
Copyright © Itech Electronic Co., Ltd.
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