Schwank supraSchwank - Manual (Page 23)

supra/primo Manual
IM091112
RD: APR 2013
RL: 13B
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