User Manual

14
SPECIFICATION
TROUBLESHOOTING CONNECTIONS
Follow the following direction to test for hand piece cord
faults:
Test1:Renderingphysicalstraintothecord
1. Turnontheunit.
2. Settemperatureto480°C.
3. Bend and straiten the entire length of the cord bit by bit. The
heater lamp should always be lit while doing so. If the heater
lamp becomes intermittent the  cord is  faulty and should  be
replaced.
Test2:Resistancetest
1. Followthestepsindisassemblingthehandpiece.
2. Testforcontinuitybetweenthefollowingpinsandcoloredwiresat
thehandpiecePCB,alltestsshouldregister0 to2Ω.
3. Ifanyoftheabovementionedcombinationdoesnotregister0Ω
thecordisfaultyandshouldbereplaced.
Note: the Heater lamp will blink if the temperature of the soldering
iron tip has reached the set temperature i.e. 480°C. this is not an
indication of a faulty cord.
For936A:
Pin1&Red wire Pin2&BLUEwire
Pins3&BLACKwire Pin4&GREENwire
Pin5&WHITEwire 
Pin1&REDwire Pin2&YELLOWwire
Pins3&WHITEwire Pin4&BLUEwire
Pin5&BLACKwire
11
Aoyue936 规格Aoyue936 规格
TESTING THE HEATING ELEMENT
Totestiftheheatingelementisinworkingcondition:
Cool down assembly to room temperature before continuing the tests
below:
1. Follow “disassemblingthehandpiece” guide.
2. DothefollowingtestsonthehandpiecePCBboard:
◆ Resistancevalueofheatingelement(RED)2.5—3.5Ω
◆ Resistancevalueofsensor(blue)43—58Ω
Aftertestingcheckresultswiththefollowing:
◆ If the resistance value is not as stated above replace the
heatingelement.
◆ Ifa0Ωorinfiniteresistancesaremeasuredcheckforshorts
oropencircuits.
◆ Itermittentreadingscanalsobecausedbycoldsolderdouble
check solder points if the heating element has recently been
replaced.
To replacetheheatingelementfollow “Replacingthe heatingelement” 
guideonthenextpage
Heatingelement(RED)
Sensor(BLUE)
Heatingelement
Note: Illustration shows diagram for 936A station, for the 936
station the sensor wire is blue and white with waxed coat.