Photogenic Professional Lighting Matrix MCD400R Monolight with Ion Inverter, Beauty Dish, Grid, and Stand - Manual (Page 13)

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12.0 Protection Feature
This unit is equipped with advanced overheating and overcharge warning and protection circuits to
prevent damage to the internal electronics.
12.1 Overheating protection
After a long shooting session at high output, the recycling time of the flash will automatically increase until
the unit cools down to a safe level, and then will start working normally again.
12.2 Over voltage protection and Over current protection
The flash voltage is protected against unstable input voltages. Overcurrent protection is especially useful
when using a power pack.
12.3 Best Practices
a. As with any flash units, the useful life of the flash tube and the unit as a whole depends on the
way it is used. Avoiding excessive heat is the key to long life.
b. The fast recycling feature of the PHOTOGENIC® Matrix MCD400R allows a rapid sequence of
high power flashes to be obtained. However this feature should be used sparingly since
continuous rapid flashing can cause overheating and subsequent damage to the flash tube and
possibly the internal electronics.
c. Rapid sequences of flashes should always be followed by a reasonable cooling period. This flash
is fitted with a cooling fan and will cool faster if left powered on with the modeling lamp off.
d. Dimming or turning the modeling lamp off will help prevent overheating.
e. Avoid rapid high power flashing especially when using restrictive reflectors such as snoots or grid
reflectors, particularly if the unit is pointing downwards. Long shooting sessions at high output at
more than 8 times per minutes should be followed by a reasonable cooling period. At least 10 to
20 minutes is advised either without flashing or at substantially reduced rate.
Do not flash over 12 shots per minute for over 10 minutes
Do not flash over 8 shots per minutes for over 30 minutes
13.0 Error Codes
This unit will display a flash malfunction in the LED display. An error code will blink in conjunction with the
output of the flash (see drawings below). Error codes E2 & E3 also have a beep warning.
E1 : Temperature Transducer problem. Turn the unit OFF immediately and contact the retailer where you
purchased the flash.
E2 : This error code can display after a long shooting session at high output or rapid sequence, Turn OFF
the flash and allow it to rest 30 minutes.