Solo Plus Instructions 1-800-782-9927 Version 12-13
Tarm Biomass · 4 Britton Lane · Lyme, NH 03768
5.0 Troubleshooting
5.1 Troubleshooting Guide
Troubleshooting > Troubleshooting Guide
Page 50
Symptom
Possible Cause
Remedy
No Heat in House
Boiler Temperature is Below 150 ºF
(65 ºC) While Burning Wood.
No Fuel in Boiler.
Low Fan Output.
Restart or re-light fire.
Fan wheel Dirty-CLEAN.
Air Ducts Plugged-CLEAN.
Fan Does not Operate.
Check Power and Control Panel
Components with Multi-Meter.
By-Pass Damper Open, not Sealing.
Close By-Pass Damper-CLEAN.
Combustion Chamber is Ob-
structed.
Clear Ash and Other Obstructions through
lower Door.
Boiler is Dirty
Clean Ash off Refractory.
Clear Ash from floor of Boiler.
Brush Heat Exchange Tubes.
Wood is Un-split or Unseasoned.
Split Wood and Season to 20% moisture or
less.
Fan Operates Slowly.
Bad Motor Capacitor-REPLACE.
Boiler Temperature is Below 140 ºF
(60 ºC), Fan does not Shut Off.
Wrong Setting on Lo-Limit
Thermostat.
Set Lo-Limit Thermostat at 60 ºC
(140 ºF) without storage and 90 ºC
(194 ºF) with storage.
Boiler Didn’t Reach Operating
Temperature on Cold Start-up.
Be sure to Fire Boiler so it heats to above
175 ºF (79 ºC) after a cold start.
Boiler Temperature above 150 ºF (65ºC).
Air in Piping.
Call Serviceman.
Circulator not Operating.
Call Serviceman.
Not Enough Radiation in House.
Add Radiation as Needed.
Boiler Functions Well with Good Burn
Times but Inadequate on Coldest Days.
Boiler temperature is Set Too Low. Increase Boiler Water Temperature by Ad-
justing the Operating Thermostat to 190 ºF
(88 ºC).
Excessive Heat Dumped into
Overheat Zone.
Overheat Control Set to Low.
Increase Setting on L4008B to 210 ºF (98 ºC).
Short Burn Times.
Wood not Seasoned Adequately.
Season Wood for at Least 8 Months Under
Cover. Cut, split and Stacked.
Firebox not Filled Adequately.
Cut Wood to Full Length of Firebox
Poor Quality Wood.
Choose Maple, Hickory, or other Dense
Hardwoods for Longest Burn.
Wood Fire goes Out Before being
Completely Burned.
Inadequate Draft.
Increase Chimney Draft
No Demand on Boiler for an Ex-
tended Period of Time.
Burn Back-up Fuels or Turn House Thermo-
stat up so the Boiler fan will Operate more
often.
Excessive Smoke out of Load Door
When Loading.
Too much Wood left in Firebox
from last Stoking.
Load less wood.
Weak Chimney Draft.
Make Chimney Higher or Warmer.