Ulvac DPG-30R - Page 57

DC Power Supply [DPG-30R & DPG-MC60R, DPG-MC120R, DPG-MC240R]
6. Troubleshooting
47
No.
Symptom
Possible cause
Action
7
TEMP ERROR
Overheating in the inverter or
rectification circuit
If there is no cause such as a drop in
power supply cooling efficiency near
the power supply's front or rear,
replace the power supply. If there are
obstructions, remove them.
8
SELECT WARNING
Occurs when the control mode
selection is both HIGH
1. Verify that the AD I/F connector is
connected.
2. Check the control mode.
See 2-6-5 on page 12.
9
FAN ERROR
Cooling fan error
Replace the power supply.
10
LARC OVER
CURRENT ERROR
Low ARC unit section overcurrent
Replace the power supply.
11
LARC SHORT
ERROR
Low ARC unit section damage
Replace the power supply.
12
LEVEL OVER
ERROR
The output setting voltage is
overvoltage
Check the voltage between pins 21-20
on the AD-IF.
During P control, use at 10.0 Vmax.
During I control, use at 9.17 Vmax.
During V control, use at 8.0 Vmax.
13
PCB SETTING
ERROR
Occurs when there is a setting error
in the controller's internal PCB
Replace the controller.