Canon MR-14EX - Manual (Page 68)

Troubleshooting Guide
The flash does not
fire.
The MR-14EX’s mounting foot is not securely mounted on the camera’s
hot shoe.
► Slide the mounting foot all the way into the hot shoe.(^p.13)
The camera’s hot shoe contacts or the MR-14EX’s contacts are soiled.
► Clean the contacts. (->p.13)
The flash does not fire
even after 1 connected the.
external power pack
installed with new batteries.
Batteries have not been installed in the MR-14EX.
► Install batteries in the MR-14EX. (->p.10)
The batteries in the MR-14EX are exhausted.
► Install new batteries in the MR-14EX. {-^p.10)
The pictures came
out underexposed
(or overexposed).
Flash exposure compensation has been set.
► Cancel the flash exposure compensation, (^p.32, 56)
1 want to fire only one
flash tube, but 1 can’t.
C.Fn-5-1 has been set.
► Set C.Fn-5-0. (^p.64)
A : B c ( A : B : c ) has been set
►Set to G H i 0 A : B . ( ^ 27, 39, 61)
The power turns off
automatically when 1
don’t use the MR-14EX.
The main switch is set to SE.
► Set the main switch to ON. (-^p.15)
► Press the test firing button. (^p.16)
I can’t detach the
MR-14EX from tho -
camera’s hot shoe.
The locking collar has not been loosened enough.
► Loosen the locking collar until the locking pin disengages.(-^p. 13)
Although I have a
Type-A camera,
wireless autoflash
does not work.
C.Fn-3-1 has been set.
► Set C.Fn-3-0. (-^p.64)
The slave unit does
not fire.
The slave unit’s wireless selector is set to OFF or MASTER.
► Set the wireless selector to SLAVE.
(^p.16 of 550EX lnstructions/->p.13 of 420EX Instructions)
The slave unit is not within the master unit’s wireless transmission range.
► Position the slave unit within the master unit’s wireless transmission range.
(^p.43,63)
The slave unit’s transmission sensor is not facing toward the master unit.
► Face the slave unit’s transmission sensor toward the master unit.
(-^p.43, 63)
When I use slave C,
the picture comes
out overexposed.
Slave C is pointed directly at the front of the subject.
► Use slave C in another way. (-^p.43)
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