This will actually be a Cesab as they are part of the BT Toyota family & are responsibly for the Cargo's.
Sounds like a DC machine as you mention cog symbol, if it is check the info below.
3 flashes could be either motor faulty, the wiring to either motor OR the complete panel has failed.
Do you have the handheld tester to plug in to the panel?
If it is the DC machine the panels dont like failing batteries, it really shortens the panels life span.
If its NOT a DC machine come back with serial number / year OR if its a DC or AC machine.
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