Troubleshooting Guide
The flash does not fire.
• The control unit is not securely attached to the camera.
Attach the control unit's mounting foot securely to the camera.
(p.11)
• The control unit's contacts or the camera's hot shoe contacts
are dirty.
Clean the contacts. (p.11)
• The control unit does not have batteries.
Install the batteries in the control unit. (p.10)
• The control unit's batteries are exhausted.
Install a new set of batteries into the control unit. (p.10)
The flash exposure becomes underexposed or overexposed.
• Flash exposure compensation has been set.
Cancel the flash exposure compensation. (p.24)
Single flash tube/head firing cannot be done.
• Custom Function C.Fn-5-1 has been set.
Set it to C.Fn-5-0. (p.29)
• <yj> (RATIO_A:B:C) has been set.
Set it to <yl>. (p.21, 27)
The power turns off by itself.
• The power switch is set to the SE position.
Set the power switch to <K> or press the test firing button. (p.18)
Wireless multiple flash does not work.
• Custom Function C.Fn-3-1 has been set.
Set it to C.Fn-3-0. (p.29)
The slave unit(s) does not fire.
• The slave unit(s)'s wireless selector is not set to <N>.
Set it as the slave unit. (p.33)
• The slave unit(s) is not positioned properly.
Position the slave unit(s) within the master unit's wireless
transmission range. (p.32)
Point the slave unit(s)'s sensor toward the master unit. (p.33)
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