Faults, Causes And Remedies - BIEMMEDUE SD 70 Manual De Instrucciones

FAULTS, CAUSES AND REMEDIES

OBSERVED FAULT
• Motor does not start, no
ignition
• Motor starts, no ignition or
cuts out
• Motor starts, heater emits
smoke
• Heater does not stop
If heater still not working properly, please revert to nearest authorized dealer.
CAUSE
• No electrical current
• Wrong setting of room thermostat or other control
(thermostat and clock)
• Thermostat or other control defective
• Electrical motor defective
• Electrical motor bearings defective
• Burned out condenser
• Electric ignitor defective
• Flame control box defective
• Photocell defective
• Not enough or no fuel at all at burner
• Solenoid defective
• Not enough combustion air
• Too much combustion air
• Fuel contaminated or contains water
• Air leaks in fuel circuit
• Not enough fuel at burner
• Too much fuel at burner
• Solenoid defective
EN
• Check mains
• Check proper positioning and functioning of
switch
• Check fuse
• Check correct setting of heater control.
thermostat, make sure selected temperature is
higher than room temperature
• Replace control device
• Replace electrical motor
• Replace electrical motor
• Replace condenser
• Check connection of H.T. Ieads to electrodes and
transformer
• Check electrodes setting (see scheme Fig. 2)
• Check electrodes for cleanliness
• Replace H.T. transformer
• Replace control box
• Clean or replace photocell
• Check state of motor-pump plastic coupling
• Check fuel line system including fuel filter for
possible leaks
• Clean or replace oil nozzle
• Check electrical connection
• Clean or replace solenoid
• Make sure air inlet and outlet are free
• Check setting of combustion air flap
• Clean burner disc
• Check setting of combustion air flap
• Drain fuel in tank with clean fuel
• Clean or replace oil filter
• Check fuel line and filter for possible leaks
• Check pump pressure
• Clean or replace fuel nozzle
• Check pump pressure
• Replace nozzle
• Replace solenoid coil or complete solenoid
15
REMEDY
If