Grub Always Boots to Rescue Mode

[Gordan Bobic]

I have a really weird issue that I am struggling to figure out.

Grub always boots to rescue mode prompt:

grub>

But there is no obvious configuration problem, all I have to do to make it
boot properly is:

grub> normal

and it boots straight up to the boot menu and everything proceeds without
any intervention as expected. So root / prefix are obviously already
correct.

I re-did grub2-install (CentOS 7) and it makes no difference. It's a UEFI
system.

What else can I try? Is there a way to explicitly script "normal" into what
it tries to execute by default?

Many thanks.

Gordan