maintenance/
troubleshooting
68
SYNRAD OEM v30 Operator’s Manual Version 2
Troubleshooting
LED/output signal status
On OEM v30 lasers, the PWR indicator illuminates green on DC power-up. The RDY LED illuminates yel-
low when a Laser Enable signal is applied after which customer-supplied tickle and PWM Command sig-
nals are passed through to the RF driver. When PWM Command pulses are applied (and are long enough
to produce laser output) the LASE LED illuminates red.
The v30 LED indicators , in conjunction with Interface A and Interface B outputs, provide status informa-
tion to the user. Each subsection below shows LED and output signal status changes as various operating
and fault conditions occur.
LED/Interface A (DB-9) output status
Following show how v30 LED and DB-9 output signal status changes as various operating and fault
conditions occur.
Table 5-2 Status LED and Interface A (DB-9) output signal overview
LED LED Status Output Signal Name DB-9 Output Status
Normal Fault Normal Fault
LASE Red – – Lase Indicator High – –
– – O Lase Indicator – – Low
RDY Yellow – – Laser Ready High – –
– – O Laser Ready – – Low
– – Flashing
1
Overtemp Fault – – High
PWR Green – – DC Voltage Fault Low – –
– – Blinking
1
DC Voltage Fault – – High
1 See the Laser fault indications section for details.
Table 5-3 Normal operating condition
LED Indicator LED Status Output Signal DB-9 Output Status
LASE (if tickle applied) O Lase Indicator Low
LASE (if PWM applied) Red Lase Indicator High
RDY Yellow Laser Ready High
Overtemp Fault Low
PWR Green DC Voltage Fault Low
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