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MAINTENANCE INSTRUCTIONS
For correct and safe operation, keep heater and heater area clean.
At regular intervals, turn control valve to OFF, let heater cool and
clean inside control and heat exchanger compartments.
To clean outside cover, use a damp cloth, do not use any kind of
solvent of cleaning fluid as they may leave a residue that could
burn or give off odors when heater is turned on.
Have heater, including vent system, checked, cleaned and/or
repaired by a qualified service person prior to use each year.
Follow a regular service and maintenance schedule for safe and
efficient operation.
Do not obstruct combustion, ventilation or circulating air.
If any components are removed, make sure all gaskets are reinstalled
and are in good condition. If any sign of damage, replace gasket as
this is a sealed system and must be air-tight for proper operation.
DO NOT operate heater with any gasket missing or damaged. Failure
to replace a missing or damaged gasket may result in property
damage, personal injury or loss of life.
SERVICE RECORD
DATE DATE DATE
TROUBLE SHOOTING CONTROL BOARD
TO IMPROVE DIAGNOSING AND SERVICING, THIS CONTROL MODULE IS EQUIPPED WITH A
SELF-DIAGNOSING RED INDICATOR LIGHT. TO INDICATE STAND-BY MODE AND PROPER
OPERATION, THIS LIGHT WILL REMAIN OFF. IF THERE SHOULD BE A MALFUNCTION, THE
LIGHT WILL FLASH A VARYING NUMBER OF TRIES WITH A PAUSE BETWEEN EACH SERIES
OF FLASHES. THE NUMBER OF FLASHES WILL INDICATE WHICH CIRCUIT TO CHECK.
# OF
REASON FOR
FLASHES
INDICATION
POSSIBLE CAUSES
CORRECTIVE ACTION
1
Air flow fault
a.) Pressure switch tubing disconnected
a.) Connect or replace tubing.
or damaged.
b.) Pressure switch tubing to wrong
b.) Correct tubing connection.
connections.
c.) Wire disconnected or damaged.
c.) Replace or connect wire.
d.) Obstruction in vent pipe.
d.) Remove obstructions.
e.) Defective draft inducer.
e.) Replace draft inducer.
2
Flame - no call
a.) Defective gas valve.
a.) Replace gas valve.
for heat
b.) Defective control module.
b.) Replace control module.
c.) Defective thermostat wire.
c.) Check and replace thermostat wire.
3
Ignition Lock Out
a.) Defective ignitor.
a.) Replace ignitor.
(3 Attempts)
b.) Ignitor cable disconnected -
b.) Connect ignition cable.
Heater is in one
no gas to burner.
hour lockout mode. c.) Manual gas control in OFF
c.) Turn manual gas control to ON
This one hour
position.
position.
lockout can be by-
d.) Loose or damaged wire to gas
d.) Connect or replace wire to gas valve.
passed by resetting valve.
the thermostat