General Trouble Shooting
COMMON PROBLEMS AND CAUSES
Unit does not charge.
Probable causes:
a.Fuse blown. (Unplug and discharge the
b.No line power to unit. (Check line cord and outlet.)
c.Unit is on, but will not charge. (Safety thermal detector activated by heavy use, beyond specified Flashing Rates on page 9.)
d.Unit completely off, but is connected to power and is turned on. (Safety thermal switch activated by internal discharge. Decreasing flash power setting repeatedly with the down arrow key or placing the unit into STANDBY with the remote control repeatedly causes the flash power to discharge through an internal power resistor. If the resistor
Modeling light does not turn on.
Probable causes:
a.Lamp turned off. (Press FULL ON/OFF button until LED lights.)
b.Lamp burned out. (Inspect and replace, when cool. See SERVICE section of this manual)
Light flashes by itself without apparent reason.
Probable causes:
a.Defective trigger cord, or trigger cord incorrectly polarized.
b.Bright light falling on photoslave.
c.Poor connection in line cord.
d.Reverse connection on trigger cord connection at camera.
e.Some radio slaves will cause
Trigger cord will not flash unit, but charge indicator shows that the system has charged. Probable causes:
a.Defective trigger cord.
b.Defective flashtube. Turn unit off. Wait until cool, then replace flashtube. (See SERVICE section of this manual)