wc_tx003208gb.fm
51
HDR 155
Basic Troubleshooting
Motor starts, heater emits
smoke
Air supply is insufficient
Make sure air inlet and out-
let are unobstructed.
Check setting of combus-
tion air flap.
Clean burner disc.
Air supply is overly suffi-
cient
Check setting of combus-
tion air flap.
Fuel is contaminated
Replace fuel.
Clean or replace oil filter.
Air leaks present in fuel cir-
cuit
Check fuel line and filter for
possible leaks.
Fuel supply is insufficient at
burner
Check pump pressure.
Clean or replace fuel noz-
zle.
Fuel supply is overly suffi-
cient at burner
Check pump pressure.
Replace nozzle.
Heater does not stop
Solenoid malfuntioning
Replace solenoid coil or
entire solenoid.
Problem
Cause
Remedy
Содержание HDR155
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