Most Typical Battery Problems And Solution; Verifying The Operation By Functional Check And Manual Battery Test - Datex-Ohmeda Anesthesia Delivery Unit S/5 Technical Reference Manual

Figure 55

Most typical battery problems and solution

Symptom
Battery failure
After long storage
Battery failure
(intermittent)
Battery failure
(with new batteries)
Battery failure
Battery failure
Verifying the operation by functional check and
To test the condition of the battery system while the ADU runs on main power go the battery
diagnostic page and select 'Start Test'. Watch all four voltages, they should drop towards 13V. Now
select 'Stop Test' and watch the charging currents, they should increase to 0,45 - 0,55 A for a short
period and then go back to normal charging which is 0,01 to 0,05A for fully charged batteries. When
Document No. 8502856
Battery diagnostic page
Error message
HW battery A1/A2
or B1/B2 fail
HW battery A1/A2
or B1/B2 fail
HW battery A1/A2
or B1/B2 fail
HW run cur A/B fail During battery
HW test cur A/B fail During battery test
Cause
One of the four
batteries differ
more than 0.5 V
One of the four
batteries differ
more than 0.5 V
One of the four
batteries differ
more than 0.5 V
power the current
drawn from battery
pack A / B is < 0.1A
the current drawn
from battery pack A
/ B is > 0.3A
manual battery test
Troubleshooting A-ELEC
Action
Discharge/Recharge the
batteries.
Replace battery
Replace battery charger board
Replace battery charger board
Replace battery
A) Discharge/Recharge the
batteries
B) Replace battery
Perform Battery test
Replace battery charger board
Replace battery
Perform Battery test
Replace battery charger board
Replace battery
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