Thermo Pride GMD1-60N Installation And Service Manual page 34

All installations and services must be performed by qualified service personnel.
Yes
AFTER GAS VALVE
OPENS, DO THE
BURNERS IGNITE?
Yes
DO BURNERS STAY
LIT PAST PROOF
OF FLAME CHECK?
Yes
DOES THE INTEGRATED
CONTROL ENERGIZE THE
CIRCULATING AIR
BLOWER AFTER THE 45
SECOND TIME DELAY?
Yes
DOES THE CIRCULATING
AIR FAN COME ON
WHEN ENERGIZED?
Yes
MEASURE MANIFOLD
No
PRESSURE. IS
PRESSURE ADEQUATE?
CHECK IGNITOR
VOLTAGE DURING
20 SECOND WARM-UP,
IT SHOULD BE AT
LEAST 105 VOLTS.
IS IGNITOR
POSITIONED
CORRECTLY?
No CHECK FLAME
PROVING CIRCUIT
CHECK ACROSS THE
CIRCULATING AIR
No
BLOWER TERMINALS
"CIR N" & "HEAT"
FOR PROPER VOLTAGE.
No DOES BLOWER
SPIN FREELY?
Yes
IS CAPACITOR
WORKING PROPERLY?
No
REPLACE CAPACITOR
33
No
Yes
No
Yes
No
No
No HOUSING OR MOTOR
Yes
REPLACE MOTOR
ADJUST TO 3.5" WC FOR
NATURAL GAS OR 10.0" WC
FOR PROPANE GAS
CORRECT LINE
VOLTAGE PROBLEM.
REPOSITION TO
CORRECT LOCATION.
REPLACE THE
INTEGRATED CONTROL.
CONFIRM IF EITHER
BLOWER WHEEL IS
RUBBING AGAINST
SHAFT IS SPINNING
FREELY AND REPAIR
OR REPLACE AS
NECESARRY.