Over-Temperature Protection (Otp) - ITech IT6000C Series User Manual

voltage (i.e., the Meter value) is lower than this protection limit and the warm-up
time, delay time are exceeded, the power supply will enter the UVP state.
Possible Cause
Many reasons can cause UVP, the details are as follows:
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•
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How to Set
The operation steps to set UVP are as follows.
1. Press the composite keys [Shift]+[Recall] (Protect) on the front panel to en-
2. Press the up/down key or rotate the knob to select 5. UVP (Off) and press
3. Press the left/right key or rotate the knob to select On and press [Enter] to
4. Set the warm-up time Warm-up, protection limit Level and delay time Delay

4.5.6 Over-Temperature Protection (OTP)

When internal temperature of instrument is higher than about 90 °C, the instru-
ment is under temperature protection. At this time, the instrument will automati-
cally be OFF and VFD status indicator Prot lights up and the screen prompts
OTP.
Possible Cause
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 rear panel, sides, or
bottom of the instrument. Even with proper ventilation, the instrument can over-
heat in the following situations.
The set protection limit Level is greater than the voltage Meter value.
Input too low external voltage.
The power supply outputs a low voltage due to a fault.
ter the protection menu.
[Enter].
enter the setting interface.
in sequence, and then press [Enter] to confirm.
The VFD screen returns to the Protect menu and the UVP setting (take 10S,
1V, 1S as an example) is displayed as follows:
PROTECT
5.UVP 10S, 1V, 1.000S
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Power Supply Function
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