Grit, Not Grief: A Repair Café Diary for a Sticky OM-D Dial

The tea urn was already going when I arrived, and a man called Malcolm was halfway through a toaster. I put my OM-D E-M5 Mark II on the table next to a clipboard, a paper plate of flapjack and a small plastic tub of screws, and said the thing I'd been rehearsing for a fortnight: the mode dial doesn't click any more.

Somewhere around its third winter of being carried in a jacket pocket, between the fluff and the drizzle, the dial had gone from a positive, satisfying ratchet to something vague and buttery. It still changed modes. It just didn't tell me it had. On a shoot that's worse than a fault — it's a lie.

Diagnose before you unscrew anything

The first useful thing anyone said to me was that "sticky dial" covers at least three quite different problems, and only one of them is a café job.

• Gritty or binding at one point. Debris, or old grease turned to grinding paste. Good news. Cleanable.
• Free-spinning with no detents at all. A lost or flattened detent spring, or a misplaced ball bearing. Fixable, but you need to find the bearing and it will be tiny.
• Clicks fine but the camera ignores it. That's a contact or encoder problem, not a mechanical one. Put the tools down and ring a service centre.

Mine was the first, with a touch of the second. Turning it slowly I could feel a rough patch around the twelve o'clock position, and it would occasionally skip from iAuto straight past P without stopping. Test yours in a warm room first, by the way — grease stiffens in a cold hallway, and half the "faults" reported in January are just physics.

The kit I should have brought

I turned up with the camera and a hopeful expression. The volunteers were kind about it, but a repeat visit would have gone better with:

• JIS screwdrivers in 00 and 000. Olympus uses Japanese Industry Standard cross-heads. A Philips driver will look like it fits, then quietly chew the head. This is the single most common way a simple repair becomes an expensive one.
• A plastic spudger, for prising without gouging.
• 99% isopropyl alcohol and cotton buds — sparingly, and never near rubber grips, which can go chalky.
• A shallow tray with compartments, plus a strip of masking tape to label each one.
• Your phone, to photograph every layer as it comes off.
• A headtorch, a rocket blower, and a magnet for the moment a spring makes a break for the floorboards.

What you should not bring: WD-40, a can of compressed air, or a "just nip it up" approach to tiny screws.

What we actually found

Under the dial sits a small stack: a detent plate, a spring, a bearing the size of a grain of rice, and a smear of grease that had long since stopped being a lubricant and started being an abrasive. Forty thousand frames of pocket lint had done the rest.

Malcolm cleaned the plate and the bearing seat with IPA on a bud, blew out the housing, and applied the faintest film of silicone grease — the sort of quantity you'd describe as an apology rather than a coating. The bearing was retrieved from the tray twice and from the floor once. Reassembly took eleven minutes. The click came back on the first turn, definite and dry, like a good light switch.

Jobs a café can genuinely do in an afternoon

Not everything, but more than most people assume:

• Gritty or sticky mode dials, levers and hinges.
• Loose eyecups, missing dioptre covers, perished rubber grips (double-sided tape or contact adhesive, left overnight under a weight).
• Stiff or sloppy battery door latches.
• Sensor dust, if it's loose — blower first, dry swab second.
• Corroded battery contacts, cleaned with a fibreglass pencil.
• Missing strap lugs and split rings.
• Loose hot-shoe screws and rattly tripod sockets.

Where to stop

Anything involving the shutter unit, the IBIS cradle, water ingress (salt water especially — don't even let it dry before seeking help), lens element separation, focus motors or board-level work is a specialist's job, not a Saturday morning's. So is anything that needs a calibration jig. My rule of thumb: if putting it back together wrong would cost more than the body is worth, it doesn't go on the café table. And if you have a paid shoot on Friday, borrow a camera before you pick up a screwdriver — not after.

The parts problem

Here's where the right-to-repair argument stops being abstract. Cameras sit largely outside the UK's ecodesign spare-part rules, so the practical supply chain for an older Olympus body is the donor market: "spares or repair" listings on auction sites, often £30–£60 for a dead body with a sound dial assembly. Since Olympus became OM System in 2021, official support for older models has narrowed year on year, so it's worth checking what's actually serviceable before you bank on a new part.

My dial cost a fiver. The alternative was somewhere between four hundred and nine hundred pounds for a newer body that would have taken exactly the same photographs.

Why the fiver matters

There's an environmental case here — the embodied carbon in a camera is enormous, and every repaired body is one that isn't mined, shipped and binned — but I'll be honest, the reason I'll go back is pettier than that. The camera I know, with its worn grip and its scratched baseplate and its shutter count, now has one more story in it. I fixed it in a church hall with a retired TV engineer and a plate of flapjack.

Repair cafés run monthly in most British cities, usually in libraries, churches and community centres, staffed by volunteers and funded by donations. Book a slot in advance, bring one item, and take biscuits. Turn up with a diagnosis rather than a shrug and you'll get on famously.

Three weeks on, the dial still clicks. So does the shutter.