5-3
Power board software
failure
1. Restart the machine.
2. Disconnect the battery from the
AC mains. After the power board
processor is powered off for 5
minutes, power it on again.
3. Update the power module
software.
Power System
Selftest Error
H
Power board hardware
failure
1. Refer to
5.5Hardware and
Electrical Problems
to troubleshoot
the power board hardware failure.
2. Replace the power board.
Power Supply
Voltage Error
H
3.3V/5V/12V error
1. Measure the voltage at the
corresponding test point.
2. If the problem persists, replace
the power board.
System DOWN
for battery
depletion!
P
The battery was faulty and
could not be recharged.
The system software
version did not match the
current machine type.
1. Connect to the AC mains.
Measure the battery voltage. Check
if the battery can be recharged.
2. Check if the system software
version matches the current
machine type. If not, update the
system software.
3. If the problem persists, replace
the power board.
Power Board
High Temp
H
The temperature of the
power board exceeded 95
℃
.
1. Check the fan for the power
module.
2. Stop using the machine for a
period of time. If the problem
persists after the machine is
restarted, replace the power board.
Breathing Circuit
Not Mounted
H
The breathing circuit was
not installed. Or, it was not
correctly connected to the
circuit base.
1. Check that the circuit is installed
in place.
2. Test the connection between the
connection line and the connector.
3. Replace the power board (for
WATO series anesthesia machine,
the power board detects whether the
circuit is in position).
Keyboard Init
Error
H Keyboard
malfunction.
Stop using the keyboard.
1. Restart the machine.
2. If the problem persists, replace
the keyboard.
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 ...
Page 12: ...6 FOR YOUR NOTES ...
Page 58: ...3 22 FOR YOUR NOTES ...
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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