Dove Lighting Systems DimmerMaster Manuel de l'utilisateur - Page 11

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If a load has "failed off," check that the instrument is plugged in and that the lamp has not
burned out. Verify that the dimmer pack is on (the LED will glow). Use the load test feature
(see above) to see if the load can be controlled at the pack. Check if the circuit breaker on
the unit needs to be reset — the button with the current rating on it will pop out, just push it
back in to reset. Check that the control cable runs all the way back to the controller without
damage and that the signal has not been terminated at a pack somewhere up the chain.
Check the controller, paying particular attention to the softpatch feature if so equipped.
If a load has "failed on," especially after resetting a breaker, it is probably due to a shorted
triac. Triacs can fail when a short in the output overloads it faster than a circuit breaker can
protect it. The short can be in the cable, in the connectors, in the light fixture, or in most often
the lamp itself. Please check the load by plugging it into a known good wall outlet before
plugging it into other dimming channels.
Flickering can be the result of a failing control console. Try an alternate control source or
console power supply.
Channels which flicker or cut in and out can be victims of an intermittent connection
somewhere, including broken slide controls. This can occur if dirt, coffee, or some other liquid
is spilled into the slide control slot. Curing this problem usually requires the replacement of
the control. Cleaning with WD-40 or TRI-FLOW may fix it temporarily.
Sometimes flickering is caused by a problem with the control cable. If DMX termination has
not already been set at the last pack, set it. Crushed or pinched cables can cause intermittent
failures. Try an opto isolator to eliminate any potential control cable ground loop problems.
Swap control cables. Route them away from motors or other sources of noise. Do not use
passive splitters.
In some installations, a Shoebox's breaker may trip after a long time in use. This is most likely
to occur when a channel is loaded at or near its maximum rating and there are high ambient
temperatures or limited ventilation. The solution will be to either decrease the load or improve
cooling. Cooling can be improved by increasing the free space around the unit. They should
never be installed in an enclosed space without plentiful free flowing air.

Obtaining Service

We are always happy to help you troubleshoot. Emailing photos of the situation to
[email protected] will provide a helpful point of reference for a phone call,
805-541-8292.
Service technicians are generally available between the hours of 8am to 3pm (Pacific Time)
Monday through Friday. It is helpful to have a complete description of the problem and to be
in the theatre or otherwise have access to the equipment when placing the call.
WALL MOUNT SHOEBOX - USER MANUAL
11