Troubleshooting; Safety - Garland MSTSR16-280 Installation And Operation Manual

TROUBLESHOOTING

PROBLEM
Burner flame too large .
Burner flame soft - yellow tip .
Delayed Ignition
Pilot Burner will not ignite
Pilot Keeps Extinguishing .
Low millivolt output on
open circuit test .
Millivolt output high in open circuit test
but low in closed circuit test .
Millivolt output high on closed circuit
test but flame safety tap will not stay
open .

SAFETY

It is essential that the instructions in this booklet are strictly
followed for the safe and economical operation of the
equipment . If it is known or suspected that a fault exists on
the appliance then it must not be used until the fault has
been rectified by a competent person .
Part # P143 (11/10/08)
POSSIBLE CAUSE
Incorrect setting pressure or injector .
Insufficient primary air .
Pilot burner flame too small .
Burner ports blocked .
Incorrect setting pressure .
Pilot orifice blocked .
Pilot adjusting screw closed .
Pilot flame too small .
Loose thermocouple connection .
Faulty thermocouple .
Faulty flame safety device .
Pilot flame too small .
Defective thermocouple .
Faulty flame safety device .
Faulty flame safety device .
SOLUTION
Check setting pressure and injector .
Check primary aeration for blockage .
Check pilot flame adjustment .
Clean blocked burner ports .
Check setting pressure .
Clean pilot jet .
Open pilot adjuster .
Check pilot .
Tighten connection .
Replace thermocouple .
Replace flame safety device .
Adjust pilot flame length .
Replace thermocouple .
Replace flame safety tap .
Replace flame safety tap .
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