Owner`s manual

supra/primo Manual
IM091112
RD: NOV 2009
RL: 11A - BA
23
18. TROUBLESHOOTING GUIDE
SET THERMOSTAT TO CALL FOR HEAT
IS THE HEATER BURNING?
THE SYSTEM IS WORKING PROPERLY.
STOP.
YES
NO
IS THERE LINE VOLTAGE TO
THE THERMOSTAT CONTROL?
→CHECK CIRCUIT BREAKERS OR FUSE
→CHECK ON/OFF SWITCH
→CHECK NIGHT TIME SET BACK CONTROL
NO
IS THERE VOLTAGE TO THE
FAN SYSTEM?
YES
YES
→CHECK ELECTRICAL CONNECTION
FROM THERMOSTAT TO FAN MOTOR
→CHECK THERMOSTAT, REPLACE IF
NECESSARY
NO
IS FAN MOTOR OPERATING?
→CHECK EXHAUST FAN MOTOR, REPLACE
IF NECESSARY
NO
IS THERE VOLTAGE TO THE
TRANSFORMER?
YES
→CHECK ELECTRICALCONNECTION
TO TRANSFORMER
→CHECK LINE VOLTAGE TO PRIMARY
SIDE OF TRANSFORMER
YES
NO
IS THERE VOLTAGE FROM TRANS-
FORMER TO AIR-PROVING SWITCH?
→CHECK ELECTRICAL CONNECTION FROM
TRANSFORMER TO AIR SWITCH
→CHECK TRANSFORMER, REPLACE IF
NECESSARY
NO
YES
CONT’D
→CHECK FOR DARK SPOTS OR LINES ON
THE TILE SURFACE
→’DARK’ AREAS REPRESENT CRACKS OR
BLOCKAGE OF THE TILE
→SEE ’SERVICE’ SECTION 15