iM80 Patient Monitor Service Manual Troubleshooting
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Paper bail is not pressed
down.
Press down the paper bail.
Recorder defective.
Replace the recorder.
Recorder power supply
defective.
Replace the power supply.
Recorder connection
failure.
Replace or repair the connecting
wire.
Paper advances lopsidedly.
The assembly or location
of recorder is bad.
Calibrate the assembly of recorder.
7.6 Network Failures
Phenomenon
Possible Cause
Solution
The monitor can not connect
to a network.
Network connection defective.
Check and repair the network
wire and HUB box.
Overlapped device no. in the
network.
Change device no. of the
monitor.
Main control board defective.
Replace main control board.
7.7 Alarm Failures
Phenomenon
Possible Cause
Solution
No audible alarm is
activated.
The audible alarm is temporarily
disabled.
Switch on the audible alarm.
Loudspeaker or wire defective.
Replace the loudspeaker or the
wire.
The alarm indicator stays
off.
Alarm indicator defective.
Replace alarm indicator.
Alarm indicator board defective.
Replace alarm indicator board.
No audible alarm or visual
alarm is activated.
Program defective.
Update the software.
7.8 Power Board Failures
Phenomenon
Possible Cause
Solution
Fuses are blown after
switching on.
Short circuit of power or
other parts.
Further examination after switching
on.
Fuses are still blown after
all programs are cut out.
Power defective.
Replace the power.
Fuses are blown after Short circuit of the part.
Replace the part.