Troubleshooting

Troubleshooting

TROUBLE

Cause

SOLUTION

Motor does not start, no ignition

No electrical current

Check mains (should be 120 V – 1~ – 60 Hz)

 

 

Check proper positioning and functioning of switch

 

 

Check fuse

 

Wrong setting of room ther-

Check correct setting of heater control. If thermostat, make

 

mostat or other control

sure selected temperature is higher than room temperature

 

Thermostat or other control

Replace control device

 

defective

 

 

Electrical motor defective

Replace electrical motor

 

Electrical motor bearings

Replace electrical motor bearings

 

defective

 

 

Burned out condenser

Replace condenser

 

 

 

Motor starts, no ignition or cuts out

Electric ignitor defective

Check connection of H.V. Ieads to electrodes and transformer

 

 

Check electrodes setting (see scheme “gap OF ELECTRODES”)

 

 

Check electrodes for cleanliness

 

 

Replace H.V. transformer

 

Flame control box defective

Replace control box

 

Photocell defective

Clean or replace photocell

 

Not enough or no fuel at all

Check state of motor-pump plastic coupling

 

at burner

Check fuel line system including fuel filter for possible leaks

 

 

 

 

Clean or replace oil nozzle

 

Solenoid defective

Check electrical connection

 

 

Check thermostat LI

 

 

Clean or replace solenoid

 

 

 

Motor starts, heater emits smoke

Not enough combustion air

Make sure air inlet and outlet are free

 

 

Check setting of combustion air flap

 

 

Clean burner disc

 

Too much combustion air

Check setting of combustion air flap

 

Fuel contaminated or con-

Drain fuel in tank with clean fuel

 

tains water

Clean oil filter

 

 

 

Air leaks in fuel circuit

Check the seals on the ducts and the diesel filter

 

Not enough fuel at burner

Check pump pressure

 

 

Clean or replace fuel nozzle

 

Too much fuel at burner

Check pump pressure

 

 

Replace nozzle

 

 

 

Heater does not stop

Solenoid

Replace solenoid coil or complete solenoid

 

 

 

If heater still not working properly, please revert to nearest authorized dealer.

ENERCO GROUP, INC. Direct Fired Portable Heater

6

Operating Instructions and Owner’s Manual

Page 6
Image 6
Enerco 3500DF Troubleshooting, Cause, Solution, Motor does not start, no ignition, Motor starts, no ignition or cuts out