Agilent Technologies E4350B Landscape Lighting User Manual


 
Service Addendum 13
Overall Troubleshooting (sheet 5)
Figure 3-2. Overall Troubleshooting (sheet 5 of 5)
Flow Charts -
The flow charts shown in Figures 3-10 through Figures 3-14 and Figure 3-16 are not used
in troubleshooting the Solar Array Simulator.
Note that there are no changes to the flow chart in Figure 3-15.
E From Sheet 4
OV & OC
displayed
?
OV
displayed
?
OC
displayed
?
Programmable OCP tripped, Check
OC circuits A1U405, U411, Imon
amp A1U403 and OC_PROG signal
at A5J722-26 (TP41)
Go to "OV at Turn-On"
troubleshooting.
Check if OCP is enabled at turn-on
and current is programmed to zero.
Check current circuit.
RI (Remote Inhibit)
displayed? Check for short
between A2TB101 and
ground.
Yes
Yes
Yes
No
No
No