Справочник Пользователя для MASTER LOCK B350EAI

11

099565

Motor does not
start when heater
is plugged in and
thermostat setting
is higher than
surrounding air
temperature.

1. No power or low voltage

at heater due to:
A) Damaged power cord
or extension cord
B) Wrong size extension
cord
C) Heater plugged into
outlet with voltage lower
than 220/240 volts

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. Safety control not reset

5. Damaged safety control

6. Damaged power relay

7. Damaged thermostat

8. Binding pump

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. 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 safety

control reset button. See
Figure 4, page 8 for button
location.

5. Replace safety control.

6. Replace power relay.

7. Replace thermostat.

8. Turn fan by hand. If fan is

hard to turn, see Pump, page
16.

WARNING ICON

G 001