Troubleshooting Guide - Schwank primoSchwank Installation & Owner's Manual

18. TROUBLESHOOTING GUIDE

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