Sherwood EF-3 BAYI Service Manual

FOR INSTALLERS AND SERVICE TECHNICIANS ONLY PELLET STOVE SERVICE MANUAL Sherwood Industries Ltd. Duplication of this document is prohibited. All rig

6) DIAL-A- FIRE HAS NO EFFECT ON THE FIRE EF 2, 3, 5 Low fire 800-900k ohms. High fire 71-73k ohms. Test the dial-a-fire potentiometer resistance by p

Check all wiring to the exhaust temperature sensor, start-up switch and the start up timer. 7) THE STOVE WILL NOT SHUT DOWN Correct if necessary. EF

CIRCUIT BOARD OPERATION 1) Manual Mode, Factory Settings, No Thermostat or Wall SwitchSTART-UP SEQUENCE (15 minutes) Push the ON/OFF button to start.

Normal Operation The operator can now set the heat output, low feed trim and whether the convection blower is ON or OFF. (Please note: when the heat

START-UP SEQUENCE CONT. The ignitor comes on. The convection blower stays off. The operator has no control over the start-up sequence. (The operato

The ON/OFF light starts flashing. All functions drop to LOW speed (combustion blower speed, convection blower speed and heat output all change to LOW

START-UP SEQUENCE (15 minutes) Thermostat contacts closed at time of start-up. Push the ON/OFF button to start. The ON/OFF light turns on solid. The

NORMAL OPERATION Thermostat contacts are closed.Unit starts the start-up sequence. After 15 minutes start-up, operator can set; heat output, low feed

SHERWOOD INDUSTRIES LTD. ENVIRO PAGE. 16 HEAT LEVEL (OUTPUT) LIGHTS – shows the heat setting that the stove is operating in. lowest

CIRCUIT BOARD 1) LIGHT #2 ON HEAT OUTPUT BAR FLASHING If light #2 on the heat output bar is flashing, the vacuum switch contacts have been open for mo

This is a service guide designed by SHERWOOD INDUSTRIES LTD. We hope this manual will assist you to identify and correct operational concerns you mig

LIGHT #2 ON HEAT OUTPUT BAR FLASHING CONTINUED Bypass the vacuum switch, if this corrects the problem check for above problems before replacing the va

2) LIGHT #3 ON HEAT OUTPUT BAR FLASHING If light #3 on the heat output bar is flashing, the exhaust temperature sensor contacts have opened. Possible

LIGHT #3 ON HEAT OUTPUT BAR FLASHING CONTINUED The combustion blower is not turning fast enough to generate the proper vacuum in the exhaust channel.

LIGHT #3 ON HEAT OUTPUT BAR FLASHING CONTINUED Use a paper clip to clean out hose barb or remove the vacuum hose from the vacuum switch and blow into

GENERAL 1) THE IGNITOR DOES NOT WORKTHE UNIT WILL NOT LIGHT Make sure the burn pot liner is pushed tight against the ignitor tube. Correct if necessar

2) THE STOVE KEEPS GOING OUT If the stove goes out and leaves fresh unburned pellets or cigarette like ashes, the fire has gone out before the 140° F

COMPONENTS OF A PELLET STOVE AUGER AND AUGER MOTOR This 1 RPM motor is responsible for turning the auger shaft, which in turn transports pellets to be

START UP TIMER(EF 3, 4) This start up timer bypasses the exhaust temperature sensor allowing the stove to operate when the unit is cold. The timing cy

FLAME CHARACTERISTICS SHERWOOD INDUSTRIES LTD. ENVIRO PAGE. 26

EF 2 WIRING DIAGRAM SHERWOOD INDUSTRIES LTD. ENVIRO PAGE. 27

If not Does not startIf notDIAL-A-FIRE 1) STOVE WILL NOT STARTCheck all wiring for damage and that all the wiring is correct against the wiring diagra

EF 3 Bay i WIRING DIAGRAM SHERWOOD INDUSTRIES LTD. ENVIRO PAGE. 28

EF 2-3 WIRING DIAGRAM (THERMOSTAT INTERFACE) SHERWOOD INDUSTRIES LTD. ENVIRO PAGE. 29

EF 4 WIRING DIAGRAM (THERMOSTAT INTERFACE) SHERWOOD INDUSTRIES LTD. ENVIRO PAGE. 30

EF 4 WIRING DIAGRAM SHERWOOD INDUSTRIES LTD. ENVIRO PAGE. 31

EF 5 WIRING DIAGRAM – Dial-a-Fire SHERWOOD INDUSTRIES LTD. ENVIRO PAGE. 32

EF 5 WIRING DIAGRAM – Circuit Board J25 A FUSESTHERMOSTAT5 VDCBROWNBROWNBROWNBROWNGREYGREYGREYGREYREDREDWHITEWHITE WHITEYELLOWYELLOWWHITEBLUEWHITEBLUE

WINDSOR WIRING DIAGRAM J25 A FUSESTHERMOSTAT5 VDCBROWNBROWNBROWNBROWNGREYGREYGREYGREYREDREDWHITEWHITE WHITEYELLOWYELLOWWHITEBLUEWHITEBLUEPURPLEORANGEO

MERIDIAN WIRING DIAGRAM SHERWOOD INDUSTRIES LTD. ENVIRO PAGE. 35

BURN POT AND BURN POT LINER 11) GLOSSARY This is were the pellets are dropped from the hopper and then burned. BLOWER MECHANISM Device used either t

If Runs3) THE COMBUSTION (EXHAUST) BLOWER WILL NOT FUNCTION Unplug the stove; place a jumper wire across the two brown wires on the exhaust temperatur

Check all the wires against the wiring diagram. 4) THE CONVECTION BLOWER WILL NOT FUNCTION PROPERLY Correct if necessary. Apply direct power to the

Applying direct power to e convection blowerth . Bypassing the 200°F 93°C manual reset temperature sensor. Applying direct power to the auger motor. S

If NO see section #3 in this manual. Make sure that the exhaust blower is operating correctly. 5) THE AUGER MOTOR DOES NOT FUNCTION PROPERLY Make sure

AUGER MOTOR DOES NOT FUNCTION PROPERLY CONTINUED Check the vacuum switch by placing a jumper wire between the two blue leads from the vacuum switch. I

Checking the auger timing control module. Bypassing the vacuum switch. Testing the exhaust vacuum. SHERWOOD INDUSTRIES LTD. ENVIRO