EN
FAULTS, CAUSES AND REMEDIES
If heater still not working properly, please revert to nearest authorized dealer.
OBSERVED FAULT
CAUSE
REMEDY
• Check function and positioning of main switch
• Check power cord
• Check electrical connections
• Faulty electrical supply
• Check fuses
• Wrong positioning of main switch
• Put main switch in correct position
• Check setting of room thermostat
• Wrong setting of room thermostat
• Check function of room thermostat
• The heater won’t start
• Safety device (burner, thermostat L2, fan
thermal relay) not restarted after repairs
• Press the appropriate restart button:
• burner (button on control device)
• thermostat (button (6)
• fan thermal relay (button (11)
• Check fuel flow
• Check position registers, draw-holes, etc.
• Thermostat L1 cuts in (the lamp (9) light
up and then it cuts down)
• The combustion chamber has overheated
• Remove extraneous material from air ducts and
ventilation grills
• Check as indicated above
• Thermostat L2 cuts in (Warning lamp (9)
lights up)
• Excessive combustion chamber over
heating
• If fault persists contact our Service Center
• Heater with helicoidal ventilator: remove eventual
debris preventing free flow of air on intake and
outlet. Check length of air ducts, reduce if
excessive.
• Heater with centrifugal ventilator: check setting of
transmission belt as indicated in chapter
(“CONNECTION TO HOT AIR DUCTS”).
• Thermal relay RM cuts in (warning light
(10) lights up)
• Fan motor current absorption is excessive
• Always check that current absorption remains
below value indicated on motor manufacturer plate
• The burner starts up, the flame doesn’t
light up and the restart light on the control
device comes on
• Burner not working correctly
• Press the restart button to turn on the heater. If
the same problem arises again call an Authorized
Service Technician
• Check fuses
• No electrical power
• Check electrical connections
• F thermostat out of order
• Check the thermostat, set it and replace it if
necessary
• Winding of motor burnt or interrupted
• Replace the fan motor
• Condenser burnt (mod. “M”)
• Replace the condenser
• The fan doesn’t start up or starts up late
• Motor bearings blocked
• Replace the bearings
• Extraneous material on fan blades
• Remove extraneous material
• The fan vibrates or makes unusual noise
• Not enough air circulation
• Remove obstacles to air circulation
• Not enough heat
• Wrong burner
• Call an Authorized Service Technician
Summary of Contents for JUMBO 65 M
Page 1: ...51 JUMBO L L 135 00 RK...
Page 27: ...RU G20 G30 G31 L2 RM 9 10 L1 9 4 5 1 3 L1...
Page 28: ...RU I II L N L N 8 6 7 I II 1 1 1 2 2 3 1 4 3 5 4 6 3 7 8 1 7 G20 G30 G31 4 3 2 1...
Page 29: ...RU 7 EN 1443 3 3 1 0 O2 4 6 35 45 2 O2 4 6 25 40 2 0 2 2 2 0 2 1 3 2 7 4 5 3 5 2 6 4 3 1...
Page 30: ...RU 6 2 6 X X X X X X X X X X X X X X X X X...