Midrand · Same-day
Boiler Flame Failure in Midrand
The burner lights then loses flame within seconds and locks out. This page covers how we diagnose and repair it on boilers in Midrand.
This fault is normally treated as same-day work because the site has effectively lost hot water, steam or safe operation.
Fast-growing estates, warehousing and corporate campuses, with a high proportion of newer heat pump installations and modular banks. Sites with long, poorly insulated pipework lose more heat in distribution than most owners expect, which reads as a capacity problem at the outlet.
- Area
- Midrand, Midrand & Centurion
- Equipment
- Boilers
- Call
- 069 268 0988
What we find here
Likely causes
- Dirty or cracked flame rod
- Failed UV scanner
- Poor earth on the flame sensing circuit
- Incorrect air/fuel ratio
- Fluctuating gas supply pressure
How it is confirmed
Diagnostic sequence
- Flame signal measurement in microamps
- Earth continuity test
- Combustion analysis through the firing range
- Gas pressure under load
Repair route
Repair services in Midrand
Boiler Repairs Midrand
Repairs to gas, diesel, electric and steam boilers across Gauteng.
Boiler Maintenance Midrand
Planned boiler servicing, combustion tuning and safety device testing.
Gas Boiler Repairs Midrand
Natural gas and LPG boiler repairs, ignition and flame failure faults.
Gas Boiler Maintenance Midrand
Annual gas boiler servicing, tightness testing and combustion tuning.
Industrial Boiler Repairs Midrand
Heavy-duty boiler plant repairs for factories and processing sites.
Coverage
Nearby areas
- Boiler Flame Failure Waterfall Ridge
- Boiler Flame Failure Carlswald
- Boiler Flame Failure Carlswald North
- Boiler Flame Failure Carlswald Estate
- Boiler Flame Failure Kyalami Estate
- Boiler Flame Failure Kyalami Hills
- Boiler Flame Failure Kyalami Gardens
- Boiler Flame Failure Blue Hills
- Boiler Flame Failure Blue Hills Estate
- Boiler Flame Failure Beaulieu
FAQs
Frequently asked questions
What causes boiler flame failure?
The usual causes are dirty or cracked flame rod, failed uv scanner, poor earth on the flame sensing circuit, incorrect air/fuel ratio. Which one it is can only be confirmed by measurement, not by symptom alone.
How do you diagnose it?
Flame signal measurement in microamps; Earth continuity test; Combustion analysis through the firing range; Gas pressure under load. The readings are recorded so the repair decision is based on data.
Can I keep using the system in the meantime?
No — isolate the plant and call 069 268 0988. Running it in this condition risks further damage or an unsafe situation.
Do you attend this fault in Midrand?
Yes. Midrand and Centurion sit between the Johannesburg and Pretoria routes, so attendance windows are usually the shortest of any area. Commissioning faults and control sequencing issues are common on newer plant here.
Boiler Flame Failure — Midrand
Commissioning faults and control sequencing issues are common on newer plant here.