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Rev. 3.0
136
BM3 User’s Manual
EtCO2 malfunction
The extension cables
Are disconnected
The module is
in bad condition?
No
No
Replace extension cables
Replace the module
Repair the adaptor
Yes
Yes
Failure in battery recharge
(the battery does not fully recharge in 6 hours or more)
The output voltage of
the adapter is 18V
The battery voltage is lower than 5V
Yes
No
Replace the adapter
(the battery will not be changed
at the rate lower than 17V)
Replace the battery
Repair the power B/D
No
Yes