Trouble Shooting Continued
Corrective Action
Adjust pilot and clean if required.
Check switch wires.
Check thermocouple millivolts
Check termination location and make sure it is not
subject to adverse environmental conditions.
Check thermocouple voltage from start up. If millivolts
drop dramatically, it is an indication that the pilot is lifting.
Check the vent is correctly attached.
Check aeration setting.
Check that venting is correctly attached.
Reduce primary aeration adjustment.
Check electrical supply to unit.
Check for correct positioning of the snap switch. You can
short out the snap disk to check it’s operation.
Check all electrical connections are secure.
Short out speed controller to check for defective
operation
Check terminals on speed controller. If you have
120VAC the blower motor is defective..
Possible Cause
Pilot adjusted too low
Switch wires may be
grounding out
Thermocouple worn
Adverse wind conditions
Pilot flame of thermocouple
Incorrect aeration
adjustment.
Incorrect venting
Incorrect aeration
adjustment
No power supply
Thermal snap switches
loose or defective
Loose electrical connection
Defective speed controller
Defective blower
Problem
Frequent pilot
outage problems
The main burner
shuts off when the
appliance is warm.
Excessive soot on
burner or logs.
Sharp blue flames
lifting off burner
Convection blower
does not operate
Maintenance
Valve Plate Assembly Removal
-Remove door assembly
-Remove log set
-Disconnect gas supply
-Disconnect all electrical leads (label leads prior to removal)
-Remove the screws that hold the valve plate assembly
-Carefully lift out the assembly
Fan Assembly
A fan assembly is available for the model LZO. For details on fan installation and service, see separate
documentation supplied with a the fan kit.
Optional Doors
A full range of optional custom doors are available for installation with the LZO range of units.
Venting System
Periodic examination of the venting system by a qualified agency.
Page 19
The main burner
will no longer start
up (B-Vent only)
Spillage safety switch has
triggered due to unsafe
operating conditions
Call a qualified installer or service person and
discontinue use until serviced.
