Avaya S8700 Maintenance Manual page 2026

Maintenance-Object Repair Procedures
5. Check the battery dates and the preventive maintenance log. Replace the
batteries if they are more than 2.5 years old.
6. If no defective batteries are found, replace the entire charger.
7. Close the cover and secure it with the screw.
8. Reconnect the cord and move the power switch to ON.
Replacing the Battery Assembly (J58890CH)
The batteries are replaced as an entire assembly.
1. Check the battery voltages at the test points on the BIU (Battery Interface
Unit).
2. Remove the BIU from the power distribution unit.
3. Disconnect the battery plug from the power distribution unit (J20).
4. Remove the battery assembly from the rear of the cabinet.
5. Install the new battery assembly in the reverse order.
6. Plug the BIU back into the power distribution unit.
Error Log Entries and Test to Clear Values
Table 8-522. Battery and Battery Charger Error Log Entries
Error Aux
Type Data Associated Test
1
0 0 Any
1 Any Battery and Battery Charger
Query test (#5) (error code 8)
257 Any Battery and Battery Charger
Query test (#5) (error code 4)
769 Any Battery and Battery Charger
Query test (#5) (error code 2)
3840 1005 Associated Battery and
(a) or Battery Charger Query test
1028 (#5)
1. Run the short test sequence first. If every test passes, run the long test sequence. Refer to each appropriate
test's description, and follow its recommended procedures.
8-1304 Issue 1 May 2002
NOTE:
If any defective batteries are found, replace all of them. Batteries are
ordered in sets of three and should be replaced as such.
Alarm On/Off
Level Board Test to Clear Value
Any Any test environment UU sh r 1
MINO ON test environment UU s r 1
R
MINO ON test environment UU s r 1
R
MINO ON test environment UU s r 1
R
test environment UU s r 1
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