Dis-
play
Description
Fault code on
LCD
Beep-
er
Cause
Solution
The battery
compartment
alarms.
PMU is slightly overcurrent or
PMU is slightly overtempera-
ture.
PMU11
NO
PMU is slightly over-
current or PMU is
slightly over tempera-
ture.
Do not use the
machine too
much to avoid
machine shut
down.
There is no available battery
pack in the drive battery com-
partment, or the drive PMU
shutdown protection is trig-
gered.
PMU12
NO
The working environ-
ment is bad, PMU pro-
tection triggered.
Restart the ma-
chine.
There is no battery pack
in the battery compart-
ment.
Check the bat-
tery capacity.
The battery compart-
ment fails.
Contact a
specified serv-
ice center.
Unspecified battery pack inser-
ted.
PMU13
NO
Wrong battery pack ap-
plied.
Only use speci-
fied battery
pack.
PMU is slightly overcurrent or
PMU is slightly overtempera-
ture.
PMU21
NO
PMU is slightly over-
current or PMU is
slightly over tempera-
ture.
Do not use the
machine too
much to avoid
machine shut
down.
There is no available battery
pack in the drive battery com-
partment, or the drive PMU
shutdown protection is trig-
gered.
PMU22
NO
The working environ-
ment is bad, PMU pro-
tection triggered.
Restart the ma-
chine.
There is no battery pack
in the battery compart-
ment.
Check the bat-
tery capacity.
The battery compart-
ment fails.
Contact a
specified serv-
ice center.
Unspecified battery pack inser-
ted.
PMU23
NO
Wrong battery pack ap-
plied.
Only use speci-
fied battery
pack.
PMU is slightly overcurrent or
PMU is slightly overtempera-
ture.
PMU31
NO
PMU is slightly over-
current or PMU is
slightly over tempera-
ture.
Do not use the
machine too
much to avoid
machine shut
down.
There is no available battery
pack in the drive battery com-
partment, or the drive PMU
shutdown protection is trig-
gered.
PMU32
NO
The working environ-
ment is bad, PMU pro-
tection triggered.
Restart the ma-
chine.
There is no battery pack
in the battery compart-
ment.
Check the bat-
tery capacity.
The battery compart-
ment fails.
Contact a
specified serv-
ice center.
Unspecified battery pack inser-
ted.
PMU33
NO
Wrong battery pack ap-
plied.
Only use speci-
fied battery
pack.
19
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P0803155-00 v1.3