
Masport Inbuilt Gas Fireplace
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PROBLEM
POSSIBLE CAUSE(S)
SOLUTION
A thin coating of black soot
forms inside the glass.
Combustion air supply
restricted.
Over-supply of gas.
Logs or embers out of position.
Clean all primary and
secondary air
passageways.
Adjust gas delivery pressure
at test point.
Arrange logs/embers
correctly.
A white coating forms
inside the glass.
Residues in new logs being burned
off.
Follow glass cleaning
directions under Cleaning
Instructions.
Fan hums but there is poor
air circulation.
Dirty fan impeller
Disconnect electrical power.
Remove and clean fan
impeller.
No power to fan.
Make sure fan plug is firmly
home and that fan switch is
not in the OFF position.
Check that the power socket
works with another appliance.
Fan will not run.
Thermodisc not activated (EIS
models)
Wait until heater achieves
working temperature.
Ignition spark continues after the
fire has lit. (EIS models only)
Phase and Neutral connections
reversed in the house power supply.
Get a qualified person to
correct the house wiring.