Mindray DC-6, Руководство по обслуживанию

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8-1
8
Troubleshooting
8.1
Troubleshooting for Power
No. problem possible reason measure
1 When the circuit
breaker is turned on,
it trips.
The voltage range is
incorrect or the primary side
is connected inversely.
1. Check if the voltage is correct.
2. Check if the connection wire of
the transformer is correctly
connected.
2 When the circuit
breaker is turned on,
the standby indicator
isn’t on. Due to fault of the input
connection wires or the
PFC board.
1. Check if the connection wires
are correctly connected.
2. Replace the PFC board.
3 When the power
switch is turned on,
the power system
doesn’t work (The
keyboard backlights
aren’t on) Due to fault of switch
connection wire or the PFC
board/+5V board. 1. Check the switch connection
wire.
2. Replace the PFC board/+5V
board.
4 The power can
normally work, but
the monitor power
indicator isn’t on. Due to fault of the power
cable of the monitor or the
connecting board. 1. Check the connection wire of
the monitor.
2. Replace the connecting board.
5 The keyboard
backlights are on, but
the fan doesn’t run. Due to fault of the fan
connection wire or the -5V
board.
1. Replace the -5V board.
2. Check the fan adapter board
and connection wire.
6 The image is
abnormal and there is
no transmission. Due to fault of the PHV
board or the -5V board. 1. Replace the PHV board.
2. Replace the -5V board.
8.2
Troubleshooting for Monitor
Note: if the monitor cannot display, first check the contrast and brightness and adjust
them to the middle positions. If the monitor is still abnormal, use the following table to
locate problems.