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4.4.1.5 Commonly-encountered Problems and Recommended Actions
Failure description
Possible cause
Recommended action
During upgrade, the buzzer
on the main control board
buzzes long, resulting in
upgrade failure.
The BIOS program of the
main control board is
damaged due to possible
power failure during upgrade
or upgrade failure.
Return the main control
board to factory for repair.
In case of system software
upgrade, the upgrade screen
can be accessed but upgrade
is always failed.
The version of BIOS program
is incompatible with that of
system software.
The network is not stable.
1. Check the compatibility of
software version. Select the
appropriate version for
upgrade. Refer to the system
software-BIOS-upgrade tool
compatibility table.
2. Check the network
connection between the
notebook computer, Hub and
anesthesia machine to make
sure that the network cable is
not loose.
After software upgrade
success, only VCV mode is
available.
The BIOS program does not
match the system software.
The main control board does
not support system software
version greater than
V03.01.00.00.
1. Check the version
compatibility between BIOS
program and system
software.
2. Return the main control
board to factory for repair.
The upgrade booting screen
is inaccessible.
The network is not in good
condition.
1. Re-check the network
connection between the
notebook computer, Hub and
anesthesia machine. Check
that the network cable is
connected correctly and
reliably.
2. Make sure that Hub is
powered on.
After the system software or
XX module software is
upgraded, XX module
communication stop is
alarmed.
The version of system
software does not match that
of XX module software. Or,
the module is damaged.
Re-confirm the version
information of XX module
software and the module
code. If they are correct,
return the faulty module to
factory for repair.
Summary of Contents for WATO EX-55
Page 1: ...WATO EX 55 65 Anesthesia Machine Service Manual ...
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Page 4: ...II FOR YOUR NOTES ...
Page 6: ...IV FOR YOUR NOTES ...
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Page 242: ...6 54 6 4 1 Electrical Connections Electrical Circuit Diagram ...
Page 260: ...6 72 FOR YOUR NOTES ...
Page 261: ...7 1 7 Parts 7 1 Main Unit 7 1 1 Main Unit 7 1 1 1 Exploded View ...
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