Production Models - Test Equipment Depot PS-1303C User Manual

6. MAINTENANCE
WARNING
The following instructions are for use by qualified personnel only.To avoid electrical shock, do not perform
any servicing other than contained in the operating instruction unless you are qualified to do so.
6-1 lf the fuse blows, the CV or CC indicators will not light and the power supply will not operate. The fuse should
not normally open unless a problem has developed in the unit. Try to determine and correct the cause of the
blown fuse, then replace only with a fuse of the correct rating and type.
The fuse is located on the rear panel.
When line voltage are changed, replade the required fuse shown on page 10
6-2 ln constant voltage mode, if the output voltage is less than presetted
value and CC indicator light, it is over current protection. Unit automatically changed to constant current
mode. Should check the load or increase current set value deponds on the situation.
6-3 ln constant current mode, if the output current is less than presetted value and CV indicator light, the unit
automatically changed into constant voltage mode. Should check the load or increase the presetted voltage
value.
6-4 lf the output voltage is unstableness, please check the AC line it may less than 198V/105V.
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2.PRODUCTION MODELS

Output
Output
Ltem Model
Voltage Current
PS-1303C 0-30V
1 3A
PS-1303 0-30V 3A
2
PS-1305C
3 0-30V 5A
PS-1305
0-30V 5A
4
PS-1603C
5 0-60V 3A
PS-1603
0-60V
3A
6
PS-3010
7 0-30V 10A
PS-6005
8 0-60V 5A
Output Fixed
Standby
5V/1A
2