5-5
Troubleshooting
CT Hoods and DD Ventilation
Low-Profi le
Symptom
Possible Cause
Action Required
Fan does not operate with
switch on.
No power to the unit
Plug in power cord or reset power supply breaker
Defective Control Board
Check for Voltage at CN1 terminals on Cntl Brd
Defective Fan Motor
Check Continuity of Fan Motor - Replace if defective.
Defective Wiring
Replace Wire Harness
Fan runs but does not move
enough air.
Improper Installation
Verify that duct was properly sized and no obstructions
are present
Verify tape was removed from damper during installation
Verify a compatible Wolf blower is installed
Verify adequate make-up air present
Filters are soiled
Clean or Replace Filters
Defective Control Board
Verify correct voltage output at control board
Defective Motor
Verify correct amperage draw
Lights do not work.
Defective Bulb
Check bulb for continuity and place if defective
Replace bulb with known good bulb
Defective Fuse
Check fuse for continuity and place if defective
Replace fuse with known good bulb
Defective Control Board
Verify voltage output at board and replace board if
voltage not present
Fan cycles on and off.
Motor overheating
Check for obstructions in ducting or fan blade
obstructions
Defective Control Board
Verify if voltage at Control Board is cycling at same rate -
replace if it is cycling.
Summary of Contents for CT
Page 2: ......
Page 3: ...1 1 General Information CT Hoods and DD Ventilation SECTION 1 GENERAL INFORMATION ...
Page 8: ...1 6 General Information CT Hoods and DD Ventilation NOTES ...
Page 9: ...2 1 Installation Information CT Hoods and DD Ventilation SECTION 2 INSTALLATION INFORMATION ...
Page 35: ...Controls Operation CT Hoods and DD Ventilation 3 1 SECTION 3 CONTROLS OPERATION ...
Page 39: ...Access Removal CT Hoods and DD Ventilation 4 1 SECTION 4 COMPONENT ACCESS REMOVAL ...
Page 54: ...Access Removal CT Hoods and DD Ventilation 4 16 NOTES ...
Page 55: ...5 1 Troubleshooting CT Hoods and DD Ventilation SECTION 5 TROUBLESHOOTING ...
Page 62: ...5 8 Troubleshooting CT Hoods and DD Ventilation NOTES ...
Page 63: ...6 1 Technical Data CT Hoods and DD Ventilation SECTION 6 TECHNICAL DATA ...
Page 66: ...6 4 Technical Data CT Hoods and DD Ventilation NOTES ...
Page 67: ...Wiring Schematics CT Hoods and DD Ventilation 7 1 SECTION 7 WIRING DIAGRAMS SCHEMATICS ...
Page 68: ...Wiring Schematics CT Hoods and DD Ventilation 7 2 MODEL CTWH30 WIRING DIAGRAM ...
Page 69: ...Wiring Schematics CT Hoods and DD Ventilation 7 3 MODEL CTWH36 WIRING DIAGRAM ...
Page 70: ...Wiring Schematics CT Hoods and DD Ventilation 7 4 MODEL IH4227 WIRING DIAGRAM ...
Page 72: ...Wiring Schematics CT Hoods and DD Ventilation 7 6 MODEL DD30 DD36 SCHEMATIC ...
Page 76: ...Wiring Schematics CT Hoods and DD Ventilation 7 10 MODEL DD30 DD36 CONTROL SCHEMATIC ...
Page 77: ...Wiring Schematics CT Hoods and DD Ventilation 7 11 MODEL DD POWER SUPPLY WIRING ...
Page 80: ...Wiring Schematics CT Hoods and DD Ventilation 7 14 BLOWER SCHEMATIC 600 900EXT ...
Page 81: ...Wiring Schematics CT Hoods and DD Ventilation 7 15 BLOWER SCHEMATIC 1200EXT ...
Page 82: ...Wiring Schematics CT Hoods and DD Ventilation 7 16 BLOWER SCHEMATIC 1500EXT ...
Page 83: ...8 1 Parts Exploded CT Hoods and DD Ventilation SECTION 8 PARTS LISTS EXPLODED VIEWS ...
Page 98: ...8 16 Parts Exploded CT Hoods and DD Ventilation NOTES ...