Troubleshooting Battery Problems - IBM F10 Service Manual

Attention: The battery FRU is a sealed canister. There are no user-serviceable
parts inside. When servicing the battery FRU, replace the entire FRU, not individual
batteries or parts. Opening the battery FRU will void your warranty.

Troubleshooting Battery Problems

Symptom: Fault-A or Fault-B LED (battery FRU) is on.
1. Possible Cause: Left or right battery bank has failed.
Symptom: Full Charge-A or Full-Charge-B LED (battery FRU) is off.
1. Possible Cause: Left or right battery bank is not yet fully charged.
Symptom: "Battery Low" error issued by software.
1. Possible Cause: Power turned off for extended period and drained battery
2. Possible Cause: Batteries are weak and FRU is due for replacement.
Symptom: Battery FRU is new, but will not hold a charge.
1. Possible Cause: Battery charger board failure.
2. Possible Cause: Faulty battery harness
Symptom: Loss of battery backup during a power outage.
1. Possible Cause: Battery failure or battery FRU is missing.
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IBM 2102 Model F10 and Model D00 Service Guide
a. Replace the battery FRU using the instructions on "Replacing the Battery
FRU" on page 116.
a. Turn on the power and allow controller module to run 24 hours in order
recharge the battery.
b. If after 24 hours, the Full Charge LED remains off or one of the Fault LEDs
turns on, replace the battery FRU using the instructions on "Replacing the
Battery FRU" on page 116.
power.
a. Turn on the power and allow controller module to run 24 hours to recharge
the batteries.
b. If after 24 hours, the battery low error persists, replace the battery FRU
using the instructions on "Replacing the Battery FRU" on page 116.
a. Check the last service date for the battery FRU. If it has been two years
since the battery was replaced, replace the battery FRU using the
instructions on "Replacing the Battery FRU" on page 116.
a. Replace the battery FRU using the instructions on "Replacing the Battery
FRU" on page 116.
b. Allow the system to run for at least 24 hours in order to properly charge the
batteries. If this does not solve the problem, go to Possible Cause 2.
a. Replace both power supplies using the instructions on "Replacing a Failed
Power Supply" on page 122
b. Replace the battery harness using the instructions on "Replacing the Battery
Harness" on page 125.
a. Replace the battery FRU using the instructions on "Replacing the Battery
FRU" on page 116.