Thermo Pride MODEL OPA - Manual (Page 79)

All installations and services must be performed by qualified service personnel.
78
XIV. APPENDIX E: TROUBLESHOOTING FLOWCHARTS
TURN THERMOSTAT TO CALL FOR HEAT
DOES THERMOSTAT MAKE CONTACT?
REPLACE BURNER
MOTOR
IS ROOM TEMPERATURE
BELOW THERMOSTAT SETTING?
IS THE OIL PUMP
MECHANICALLY
LOCKED-UP?
TURN T'STAT SETTING
ABOVE ROOM
TEMPERATURE
IS ROOM TEMPERATURE
No No
REPLACE OIL PUMP
Yes
Yes
ALLOW THE ROOM
AIR TO COOL
No
IS VOLTAGE PRESENT
AT BURNER MOTOR?
No
Yes
Yes
Yes
IS THE BURNER
PRIMARY LOCKED
OUT ON SAFETY ?
No No
Yes
No
CHECK FOR LINE VOLTAGE
@ FAN CONTROL MODULE.
IF NOT 115 VAC, CHECK FOR
BLOWN FUSE OR TURN ON
POWER. IF 115 VAC PRESENT,
CHECK OUT FAN CONTROL
MODULE & PRIMARY MODULE
ACCORDING TO MANUFACTURER'S
INSTRUCTIONS.
PUSH IN PRIMARY RESET BUTTON
IS BURNER MOTOR RESET
BUTTON POPPED OUT
DOES BURNER MOTOR
START?
PUSH IN MOTOR RESET BUTTON
CHECK IN PUT POWER,
DISCONNECTING SWITCH,
AND FUSE(S), IF EQUIPPED.
No
Yes
Yes