ConMed System 2450 - Page 32

4-22
Err
Code
Description Possible Cause Things to check Correction
153 1.2 volt too high 1.2-volt power in the system is
too high.
Check for proper connection of
the ribbon cable.
Check the +12V entering
Control/Display Board (TP66).
Check the +1.2V power on the
Control/Display Board (TP15).
Verify that the System Controller
ADC reference voltage (C_2.5V)
on the Control/Display Board is
2.5 volts.
If +12V is out of
limits, replace or
repair the Power
Board. If either
+1.8V or the ADC
reference is out of
limits, replace the
Control/Display
Board.
154 1.8 volt too low 1.8-volt power on the Control/
Display Board is too low.
Check for proper connection of
the ribbon cable.
Check the +12V entering
Control/Display Board (TP66).
Check the +1.8V power on the
Control/Display Board (TP39).
Verify that the System Controller
ADC reference voltage (C_2.5V)
on the Control/Display Board is
2.5 volts.
If +12V is out of
limits, replace or
repair the Power
Board. If either
+1.8V or the ADC
reference is out of
limits, replace the
Control/Display
Board.
155 1.8 volt too high 1.8-volt power in the system is
too high.
Check for proper connection of
the ribbon cable.
Check the +12V entering
Control/Display Board (TP66).
Check the +1.8V power on the
Control/Display Board (TP39).
Verify that the System Controller
ADC reference voltage (C_2.5V)
on the Control/Display Board is
2.5 volts.
If +12V is out of
limits, replace or
repair the Power
Board. If either
+1.8V or the ADC
reference is out of
limits, replace the
Control/Display
Board.
160 POST has deter-
mined that the
RF Controller
voltage sense is
faulty.
RF Controller voltage sense
is open or shorted. This can
result from a disconnected wire
terminal or bad A/D converter.
Cycle system power and deter-
mine if this error is repeated.
Verify that all internal connectors
are properly seated. Check for
loose wires on Power board T3.
Replace the Control/
Display Board.
Replace the Power
Board.
170 Controller
waveform
inhibit failed
(will not dis-
able RF) (POST
ERROR)
The Monitor has detected that
the System Controller cannot
disable the RF Drive signal dur-
ing POST.
Cycle system power and deter-
mine if this error is repeated.
Replace the Control/
Display Board.
311 POST Monitor
memory failure.
Errors found in Monitor
microprocessor memory during
power initialization.
Cycle system power and deter-
mine if this error is repeated.
Replace the Control/
Display Board.
314 POST Monitor
or RF Controller
clock failure
Monitor or RF Controller clock
oscillator failure detected during
POST.
Check for 10 MHz clock fre-
quency input to Monitor proces-
sor and or RF Controller.
Replace the Control/
Display Board.
315 POST Monitor
activation cir-
cuitry failure
The states of the activation
request signals detected by
the Monitor do not match the
states detected by the System
Controller.
Check for active high activation
request on lines running to the
Monitor.
Replace the Control/
Display Board.