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24
www.bromicheating.com
TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION
Heater will not turn on 1. No power
2. No gas
1. Have authorized electrician check
power supply
2. Have authorized gas fitter check
gas supply
Heater turns on, but then cycles on
and off
1. Insufficient flame on ionisation rod
2. Drafty conditions
3. Insufficient earth connection between
heater and control box
1.
• Check and set gas pressure
• Check and clear obstruction to
burner venturi and injectors
2. Discontinue use in high winds
3. Replace wiring harness and clean
connections to ensure good earth
No gas 1. Air in gas line
2. Manual shut-off valve closed
3. Regulator sticking
4. Regulator reversed
1. Purge line
2. Open valve
3. Replace regulator
4. Remove and install properly
Low ceramic tile surface temperature 1. Low manifold gas pressure
2. Low gas inlet pressure
3. Orifice partially blocked with foreign
matter
4. Combustion by-products not
adequately ventilated
5. Manifold misaligned from excessive
torque applied on pipe at installation
6. Gas supply piping too small
7. Foreign matter in venturi tube
1. Adjust valve regulator until 1kpa
for natural gas, or 2.75kpa for
propane is obtained
2. Adjust main supply regulator until
at least 1.25kpa for natural gas
or 3kpa for propane precedes
heater’s control assembly
3. Clean orifice
4. Provide adequate ventilation of
by-products
5. Replace manifold
6. Increase gas pressure or replace
piping
7. Remove with bottle brush
Gas odour 1. Loose pipe connection
2. Defective regulator
3. Defective manual shut-off valve
4. Defective gas control valve
5. Loose flexible hose
1. Check all connections with soap
solution and tighten where
necessary
2. Replace regulator
3. Replace manual shut-off valve
4. Replace gas control valve
5. Tighten flexible hose
Burning of gas/air mixture inside
burner casting (flashback)
1. Separation of ceramic tiles
2. Ceramic tile(s) cracked
3. Heater mounted at incorrect angle
4. Excessive drafts
1. Replace burner assembly
2. Replace burner assembly
3. Check angle of heater. See heater
nameplate.
4. Shield or relocate heater.
Control assembly is overheating 1. Heater not mounted correctly 1. Mount wall bracket / control
housing against a vertical flat
surface, following the instructions
outlined in the installation section
of this manual. Always use
supplied parts to mount heater.
Carbon formation on ceramic tile
surface of burner
1. Misaligned orifice
2. Obstruction in venturi tube
3. Low gas pressure
4. Wrong gas supplied to heater
1. Consult sales agent or factory
2. Clean with bottle brush
3. Provide required pressure
4. Check label for type of gas
required
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