TROUBLE SHOOTING GUIDE
1. Power Board
1-1. The whole flowchart which it follows in voltage output state
Start check
Doesn't the YesIs it identical NoIs the Interface
screen whole comewith Power Offsignal operated?
out?condition?
YesYes
No1. Check the Power Off2. Check the Interface
condition.signal condition.
Doesn't the YesDoesn't the NoDoesn't the NoDoesn't the
low pressure outputSt-by 5V signal 5V Monitor signal VSC signal RL-ON
come out?come out?come out?come out?
YesYesYes
No
3. Check the St-by 5V4. Check the 5V Monitor5. Check the VSC RL-ON
signal circuit.signal circuit.signal.
No
Doesn't the YesDoesn't the NoDoesn't the Doesn't the
high tension outputVSC signal Vs-ONVs, Va voltage outputVSC low pressure
come out?come out?come out?output come out?
YesYesYes
7. Check the VSC Vs-ON8. Check the Vs, Va6. Check the VSC low
No
signal voltage output circuit.pressure output
When the
When theWhen the
DoesY, Z B/D ModuleZ B/D Module
Y B/D Module
high tension Yesinput connector is remove,NoNoinput connector is
input connector is
output voltage Dropdoes Power Board hightension
removed, does outputremoved, does output
occur?output voltage Dropvoltage Drop
voltage drop
occur?
occur?occurs?
No
YesYesYes
9. Check the Power10. Check the Z B/D11. Check the Y B/D
Manufacture enterpriseModule output circuitModule output circuit
Board Output high
meaning of a passagetension circuit
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ACEC
