Sticker Front
ON/OFF
HEAT
LEVEL
FEED
TRIM
COMB.
AIR TRIM
FUEL
TYPE
AUTO/OFF
HIGH/
LOW
MANUAL
Premium Pellets
Regular Pellets
Multi-Fuel
1
2
3
4
5
Sticker Back
ON/OFF Start Switch
Selected Fuel Indicator Light
Operation Mode Switch -
• Auto/Off Thermostat Required
(Once thermostat is satisfied unit will
idle on low for 30 min, then shut down)
• High/Low Thermostat Required
• Manual Operation
Fuel Type Selection Button
(Press for Fuel Type - refer to
owner’s manual)
Combustion Air Trim Button
(used in conjunction with up/
down heat level buttons.)
Refer to owner’s manual for
instructions.
Heat Level Indicator Lights -
(use up arrow to increase and
down arrow to decrease heat
level)
Heat Level Up Button
Heat Level Down Button
Feed Trim Button -
(used in conjunction
with up/down heat level
buttons.) Refer to owner’s
manual for instructions.
M55 Cast Control Panel Operation
Error Flash Codes -
Troubleshooting Guide for the M55C FS and FPI Cast
(This is a reference only - please see Owner’s Manual for full instructions.)
M55C FS & FPI CAST - QUICK REFERENCE GUIDE
Sticker Front
ON/OFF
HEAT
LEVEL
FEED
TRIM
COMB.
AIR TRIM
FUEL
TYPE
AUTO/OFF
HIGH/
LOW
MANUAL
Premium Pellets
Regular Pellets
Multi-Fuel
1
2
3
4
5
Sticker Back
Sticker Front
ON/OFF
HEAT
LEVEL
FEED
TRIM
COMB.
AIR TRIM
FUEL
TYPE
AUTO/OFF
HIGH/
LOW
MANUAL
Premium Pellets
Regular Pellets
Multi-Fuel
1
2
3
4
5
Sticker Back
Sticker Front
ON/OFF
HEAT
LEVEL
FEED
TRIM
COMB.
AIR TRIM
FUEL
TYPE
AUTO/OFF
HIGH/
LOW
MANUAL
Premium Pellets
Regular Pellets
Multi-Fuel
1
2
3
4
5
Sticker Back
Sherwood Industries Ltd., November 2010
For a
flashing #2
Heat Level Light (indicates loss of vacuum)
check the following -
• Make sure the firebox door is latched and sealed.
• Make sure ash pan is closed and sealed.
• Make sure unit and venting is clear of fly ash.
• If #2 light continues to flash contact your dealer or your service technician.
For a
flashing #3
Heat Level Light (indicates exhaust temperature sensor is not at operating
temperature) check the following -
• Make sure there are pellets in the hopper.
• Make sure burn pot liner is positioned correctly and clean.
• If #3 light continues to flash contact your dealer or your service technician.
For a
flashing #4
Heat Level Light (indicates that the high-limit sensor has tripped or the
hopper lid sensor has failed to detect the lid magnet) check the following -
• Make sure hopper lid is closed.
• Make sure high-limit sensor has been reset (see below).
• If #4 light continues to flash contact your dealer or your service technician.
High-Limit
Sensor
Location
Access
Cover
Hopper Lid
Sensor
Control Panel
To Reset the High-Limit Sensor
(See Owner’s Manual for details)
1 - Unplug unit
2 - Open hopper lid
2 - Remove access cover
3 - Push high-limit reset button
(if tripped you should feel a click when resetting)
4 - If #4 light continues to flash contact
your dealer or your service technician.
C-12351