TROUBLE- SHOOTING

WARNING

Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Only a qualified service person should service and repair heater.

OBSERVED

POSSIBLE CAUSE

 

PROBLEM

REMEDY

Motor does not

1. No power or low voltage

start when heater

at heater due to:

is plugged in and

A) Damaged power cord

thermostat setting

or extension cord

is higher than

B) Wrong size extension

surrounding air

cord

temperature.

C) Heater plugged into

 

outlet with voltage lower

 

than 220/240 volts

1.A) Check condition of power cord or extension cord. Repair or replace if damaged.

B)Use extension cord with proper wire size (see To Start Heater, page 8).

C)Make sure heater is plugged into 220/240 volt, 50 hertz outlet.

2.Loose electrical connec- tions

3.Motor overload protector tripped due to:

A)Dirty fan

B)Debris pulled into fan area by fan

C)Binding pump

D)Low voltage

4. Flame-out control not reset

2.Check connections. Tighten if loose.

3.A) See Fan Blades, page 14.

B)Remove debris from fan and fan guard area.

C)Turn fan by hand. If fan is hard to turn, see Pump, page 16.

D)See steps B and C under item 1 above.

Note: Be sure to reset motor overload protector by pressing reset button on top of motor.

4.Press and release flame-out control reset button. See Figure 4, page 8 for button location.

5.

Damaged flame-out

5.

Replace flame-out control.

 

control

 

 

6.

Damaged power relay

6.

Replace power relay.

7.

Damaged thermostat

7.

Replace thermostat.

8.

Binding pump

8.

Turn fan by hand. If fan is

 

 

 

hard to turn, see Pump, page

 

 

 

16.

11

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Image 11
Desa B350CE owner manual TROUBLE- Shooting, Observed Possible Cause Problem

B350CE specifications

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