maintenance/
troubleshooting
75
SYNRAD OEM v30 Operator’s Manual Version 2
Troubleshooting
Symptom:
■ The following status LED and I/O states exist:
LASE LED – O Lase Indicator – Low (0V)
RDY LED – O Laser Ready – Low (0V) Laser OK – Low (0V)
PWR LED – 1 blink code
Overtemp Fault – Low (0V) Temperature OK – High (+5V)
DC Voltage Fault – High (+5V) Voltage OK – Low (0V)
Possible Causes:
■ An under voltage fault exists.
An under voltage fault occurs when input voltage drops to 20 VDC or below for more than 420 ms. Check
that the DC power supply is supplying +30 VDC under load, has a minimum current capacity of 15 A
(air-/water-cooled) or 16 A (fan-cooled), and can sustain a 24 A peak for a minimum of 0.5 ms. After cor-
recting the problem, cycle DC power to reset the fault.
■ An under voltage condition caused by the DC power supply current-limiting can occur if PWM sig-
nals are applied before tube breakdown occurs. On cold starts, verify that tickle pulses are being sent
to the v30 OEM laser for a period of ve to ten seconds before a PWM signal is applied.
After correcting the problem, cycle DC power to reset the fault.
Symptom:
■ The following status LED and I/O states exist:
LASE LED – O Lase Indicator – Low (0V)
RDY LED – O Laser Ready – Low (0V) Laser OK – Low (0V)
PWR LED – 2 blink code
Overtemp Fault – Low (0V) Temperature OK – High (+5V)
DC Voltage Fault – High (+5V) Voltage OK – Low (0V)
Possible Causes:
■ An over voltage fault exists.
An over voltage fault occurs when input voltage rises to 33 VDC or above for more than 420 ms. Check
that the DC power supply is supplying +30 VDC under load. After correcting the problem, cycle DC
power to reset the fault.
Symptom:
■ The following status LED and I/O states exist:
LASE LED – O Lase Indicator – Low (0V)
RDY LED – O Laser Ready – Low (0V) Laser OK – Low (0V)
PWR LED – 3 blink code
Overtemp Fault – Low (0V) Temperature OK – High (+5V)
DC Voltage Fault – High (+5V) Voltage OK – Low (0V)
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