EXTERNAL CAVITY TUNABLE LD LIGHT SOURCE ECL-210
12-1
12
Troubleshooting
If after checking the above, the unit is still not operating correctly please contact Santec's technical
support division.
Problem
Possible Cause
Remedy
Power cable is unplugged.
Make sure the cable is plugged in.
No fuse in unit.
Fuse is blown.
Wrong supply voltage.
No light output.
LD is not switched on.
Select correct ECL-210 unit and
switch LD on.
Mode setting is incorrect.
Set to APC mode and check APC
power setting.
Optical connector is not clean.
Clean optical connector of both ECL-
210 and connecting fiber.
Optical connector is incorrect type.
Check connector type of ECL-210
unit and connecting fiber.
In GPIB remote mode.
If the GPIB remote LED is lit, press
local key to release the GPIB remote
mode. Note this function will not work
if the Front Panel lockout command
has been issued via GPIB.
Unit is initializing (after ECL-210 unit
has been inserted in slot).
Wait for initializing procedure to
complete.
GPIB address is not set correctly.
Press Shift +Local to check GPIB
address and set if necessary.
Delimiter setting is incorrect.
Check the delimiter setting.
Cable is not connected properly.
Check the connection of the cable.
Communication protocol is incorrect. Check the communication protocol.
Delimiter setting is incorrect.
Check the delimiter setting.
Cable is not connected properly.
Check the connection of the cable.
Cable is not wired correctly.
Check the pin assignment of the
cable.
Unable to use front
panel.
Open the fuse holder cover on the
rear panel and check the supply
voltage and fuse.
Unable to switch on.
Output power is low.
RS-232C Communication
is not possible.
GPIB Communication is
not possible.
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