Filter
Top Products
Troubleshooting - 3
31
Figure 3-1 Sheet 3. Troubleshooting Flowchart
From Sheet 2
Program current to full
scale, voltage to Vmax
and load to the power
supply's rated current.
Supply should be in CC.
Will not go into CC
or error > 10%
?
Output out of spec
but close?
Goto Sheet 4
Replace A2
Calibrate unit
CC_Prog OK ?
(see Table 3-4)
Yes
Replace A1
Yes
No
No
Yes
Output OK but
meter wrong?
Calibrate current. If still
wrong or will not
calibrate, replace A2
Yes
No
Turn on OCP and
insure Protect trips.
No
Prot trips?
CC_detect* low?
(see Table 3-4)
No
Check cable W9,
replace A1
Replace A2
No
Yes
Yes