Agilent Technologies 5962-8200 service manual Sheet 1. Troubleshooting Flowchart

Troubleshooting - 3

Turn on unit and observe the display. All of the segments and annunciators, the address and then after self test should display an error message or go to the metering mode.

Check Bias voltages (see Table 3-3)

Bias voltages OK?		Transformer Inputs			Check Main Fuse,
	No			No
					Replace T1
		OK?
			Yes
Yes

				Replace A1
Display comes on?
					No
	Yes
Error Message?				Go to Error Message
			Yes
				Table 3-2.
		No

			Check A1F305,
+5V @ A2J211-1 (to			Red/White/Black
		No	cable A1-A2 &
chassis)?			cable A2-A3, track
			on A2 (J206-J211)
	Yes
A3J111-5 low (no			Replace A3
		No
pulses)?
	Yes

Protect

annunciator Yes RI? on?

Yes Replace A2

No

No

OV?

No

OC?

No

FS?

No

	Check for OV setting <
	Voltage setting, Replace
Yes
	A1
	Check that OCP is not
Yes
	enabled, Replace A1
	Check F309 (fuse near
Yes	main heat sink),
	Replace A1

Go to Sheet 2

For OT check fan, Replace A1

Figure 3-1 Sheet 1. Troubleshooting Flowchart

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