Gas Fireplace Clicks But Won't Ignite
You hear the igniter ticking away and nothing catches. The clicking itself is good news - it means the ignition system has power. The problem is between the spark and the gas.
What the clicking is telling you
That tick is a spark jumping from an electrode to a ground point, right at the pilot. Hearing it means the igniter module, the battery or transformer, and the switch are all working. So the fault is narrower than it sounds: either the spark is not landing where it should, or gas is not arriving to meet it.
The usual causes, in the order we check them
Electrode gap or position. The spark has to jump a specific small gap to the pilot hood. Knocked out of position — often while someone was cleaning or moving logs — it sparks to the wrong place or arcs too far to ignite anything.
A cracked ceramic insulator. The electrode is sheathed in ceramic. A hairline crack lets the spark leak to ground before it reaches the tip. You still hear clicking; no spark reaches the gas.
No gas at the pilot. A closed shutoff, an empty tank on propane, a blocked pilot orifice, or air in the line after a long idle summer.
A weak battery. On battery ignition, a tired battery still clicks but produces a spark too weak to light. Cheap to rule out.
Moisture. Damp in the firebox after a wet season, or a chimney leak dripping onto the assembly, shorts the spark. On these we fix the leak too — otherwise it comes straight back.
What you can safely check yourself
If you smell gas, stop immediately. Do not touch switches. Leave and call your gas utility from outside.
Do not keep clicking. Each failed attempt releases a little gas into the firebox. If it has not lit within a few tries, stop, leave it several minutes to clear, and do not try again until then.
You can safely confirm the gas shutoff valve is open, check the propane level if you are on a tank, and replace the igniter battery if the unit uses one. Beyond that the work is inside the pilot assembly, where bending an electrode by a millimetre is the difference between a working fireplace and a new part.
What we do on the call
We watch where the spark actually lands — that alone identifies most of these. We check the electrode gap against the manufacturer's spec, inspect the ceramic for cracks, verify gas is reaching the pilot, and check the orifice. If moisture is involved we look for where the water is coming from rather than just drying it out.
Diagnosis first, price in writing, then the repair. Most of these are a same-visit fix.
FAQs
Is it dangerous to keep pressing the igniter?
Repeated attempts release unburned gas into the firebox. A few tries is normal; persistent clicking is not. Stop, let it clear for several minutes, and if it still will not light, it needs a look rather than another attempt.
It clicks and lights sometimes, not always.
Intermittent almost always means electrode position, a cracked insulator or a weak battery - something marginal rather than failed. These get worse, and they get worse in cold weather when you need the unit most.
Can a dead battery cause clicking without ignition?
Yes. A weak battery produces enough current to make the noise but not a spark hot enough to light gas. It is the first thing to rule out on a battery-ignition unit because it costs almost nothing.
Does this need a technician or is it a DIY fix?
Checking the gas valve, the propane level and the battery is fine to do yourself. Anything inside the pilot assembly is not - the electrode position is measured in millimetres and the ceramic cracks easily.