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6. OTHER FUNCTIONS
6-1. Display in alarm status
When the PSF Series power supply unit enters the alarm status or the
function described in Section
“5-7-5. Alarm function using external
contacts
” is used, the alarm code shown below is displayed, indicating
that an alarm occurs in the power supply unit. When an alarm occurs,
the power supply unit turns off output and stays in the alarm status.
When a protection function (excluding OVP and OCP described in
Section
“5-5-2. OVP/OCP function (02)”) works, all operations (panel
operation, etc.) are disabled and the power supply unit stops operation.
Press the
ESC
/
DISP
key for one second to reset the OVP or OCP alarm
(described in Section
“5-5-2. OVP/OCP function (02)”). Turn off the
input power source or shut off the POWER switch and throw it again to
reset the protection function.
(1) OVP alarm
This alarm code is displayed if the output voltage exceeds the
preset OVP value.
(2) OCP alarm
This alarm code is displayed if the output current exceeds the
preset OCP value.
(3) OHP alarm
The OHP alarm is displayed if the temperature at the internal
detection point exceeds the set temperature. The displayed alarm
differs with the models as shown below.
On the 400L2, the OHP alarm is displayed for each channel.
(400L,800L) (800L) (400L2)
